119615640 has 128 divisors (see below), whose sum is σ = 394329600. Its totient is φ = 28892160.

The previous prime is 119615627. The next prime is 119615653. The reversal of 119615640 is 46516911.

It is an interprime number because it is at equal distance from previous prime (119615627) and next prime (119615653).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51300 + ... + 53580.

It is an arithmetic number, because the mean of its divisors is an integer number (3080700).

Almost surely, 2^119615640 is an apocalyptic number.

119615640 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 119615640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197164800).

119615640 is an abundant number, since it is smaller than the sum of its proper divisors (274713960).

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

119615640 is a wasteful number, since it uses less digits than its factorization.

119615640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2337 (or 2333 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 119615640 is about 10936.8935260429. The cubic root of 119615640 is about 492.7152331255.

It can be divided in two parts, 1196 and 15640, that added together give a triangular number (16836 = T₁₈₃).

The spelling of 119615640 in words is "one hundred nineteen million, six hundred fifteen thousand, six hundred forty".