875940138 has 12 divisors (see below), whose sum is σ = 1897870338. Its totient is φ = 291980040.

The previous prime is 875940103. The next prime is 875940139. The reversal of 875940138 is 831049578.

It can be written as a sum of positive squares in only one way, i.e., 827540289 + 48399849 = 28767^2 + 6957^2 .

It is a super-2 number, since 2×875940138² = 1534542250718918088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 875940093 and 875940102.

It is not an unprimeable number, because it can be changed into a prime (875940139) 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, 24331653 + ... + 24331688.

Almost surely, 2^875940138 is an apocalyptic number.

875940138 is an abundant number, since it is smaller than the sum of its proper divisors (1021930200).

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

875940138 is a wasteful number, since it uses less digits than its factorization.

875940138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48663349 (or 48663346 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 875940138 is about 29596.2858818467. The cubic root of 875940138 is about 956.8080248301.

The spelling of 875940138 in words is "eight hundred seventy-five million, nine hundred forty thousand, one hundred thirty-eight".