1039599138 has 32 divisors (see below), whose sum is σ = 2140274304. Its totient is φ = 336396672.

The previous prime is 1039599137. The next prime is 1039599179. The reversal of 1039599138 is 8319959301.

It is not an unprimeable number, because it can be changed into a prime (1039599131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96331 + ... + 106577.

It is an arithmetic number, because the mean of its divisors is an integer number (66883572).

Almost surely, 2^1039599138 is an apocalyptic number.

1039599138 is an abundant number, since it is smaller than the sum of its proper divisors (1100675166).

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

1039599138 is a wasteful number, since it uses less digits than its factorization.

1039599138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10746.

The product of its (nonzero) digits is 262440, while the sum is 48.

The square root of 1039599138 is about 32242.8152927129. The cubic root of 1039599138 is about 1013.0292149429.

The spelling of 1039599138 in words is "one billion, thirty-nine million, five hundred ninety-nine thousand, one hundred thirty-eight".