119619540 has 72 divisors (see below), whose sum is σ = 366119208. Its totient is φ = 31610880.

The previous prime is 119619529. The next prime is 119619547. The reversal of 119619540 is 45916911.

119619540 is a `hidden beast` number, since 11 + 96 + 19 + 540 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3755844 + 115863696 = 1938^2 + 10764^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 119619495 and 119619504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (119619547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17400 + ... + 23280.

It is an arithmetic number, because the mean of its divisors is an integer number (5084989).

Almost surely, 2^119619540 is an apocalyptic number.

119619540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 119619540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183059604).

119619540 is an abundant number, since it is smaller than the sum of its proper divisors (246499668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

119619540 is a wasteful number, since it uses less digits than its factorization.

119619540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6009 (or 6004 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 119619540 is about 10937.0718201903. The cubic root of 119619540 is about 492.7205879674.

It can be divided in two parts, 1196 and 19540, that added together give a 4-th power (20736 = 12⁴).

The spelling of 119619540 in words is "one hundred nineteen million, six hundred nineteen thousand, five hundred forty".