375099138 has 12 divisors (see below), whose sum is σ = 812714838. Its totient is φ = 125033040.

The previous prime is 375099107. The next prime is 375099139. The reversal of 375099138 is 831990573.

It is a happy number.

375099138 is a `hidden beast` number, since 3 + 7 + 509 + 9 + 138 = 666.

It can be written as a sum of positive squares in only one way, i.e., 317445489 + 57653649 = 17817^2 + 7593^2 .

It is a junction number, because it is equal to n+sod(n) for n = 375099093 and 375099102.

It is not an unprimeable number, because it can be changed into a prime (375099139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10419403 + ... + 10419438.

Almost surely, 2^375099138 is an apocalyptic number.

375099138 is an abundant number, since it is smaller than the sum of its proper divisors (437615700).

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

375099138 is a wasteful number, since it uses less digits than its factorization.

375099138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20838849 (or 20838846 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 375099138 is about 19367.4762940348. The cubic root of 375099138 is about 721.1883269936.

The spelling of 375099138 in words is "three hundred seventy-five million, ninety-nine thousand, one hundred thirty-eight".