19375140 has 24 divisors (see below), whose sum is σ = 54250560. Its totient is φ = 5166688.

The previous prime is 19375123. The next prime is 19375151. The reversal of 19375140 is 4157391.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 19375098 and 19375107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161400 + ... + 161519.

It is an arithmetic number, because the mean of its divisors is an integer number (2260440).

Almost surely, 2^19375140 is an apocalyptic number.

19375140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19375140 is an abundant number, since it is smaller than the sum of its proper divisors (34875420).

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

19375140 is a wasteful number, since it uses less digits than its factorization.

19375140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322931 (or 322929 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 19375140 is about 4401.7201183174. The cubic root of 19375140 is about 268.5849146583.

The spelling of 19375140 in words is "nineteen million, three hundred seventy-five thousand, one hundred forty".