139036828 has 12 divisors (see below), whose sum is σ = 278073712. Its totient is φ = 59587200.

The previous prime is 139036823. The next prime is 139036831. The reversal of 139036828 is 828630931.

139036828 is an admirable number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139036823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2482773 + ... + 2482828.

Almost surely, 2^139036828 is an apocalyptic number.

It is an amenable number.

139036828 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

139036828 is a wasteful number, since it uses less digits than its factorization.

139036828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4965612 (or 4965610 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 139036828 is about 11791.3878742072. The cubic root of 139036828 is about 518.0558915656.

The spelling of 139036828 in words is "one hundred thirty-nine million, thirty-six thousand, eight hundred twenty-eight".