139040356 has 36 divisors (see below), whose sum is σ = 301127232. Its totient is φ = 55003104.

The previous prime is 139040353. The next prime is 139040357. The reversal of 139040356 is 653040931.

It is not an unprimeable number, because it can be changed into a prime (139040351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9960 + ... + 19423.

Almost surely, 2^139040356 is an apocalyptic number.

It is an amenable number.

139040356 is an abundant number, since it is smaller than the sum of its proper divisors (162086876).

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

139040356 is a wasteful number, since it uses less digits than its factorization.

139040356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29420 (or 29405 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 139040356 is about 11791.5374739684. The cubic root of 139040356 is about 518.0602733440.

The spelling of 139040356 in words is "one hundred thirty-nine million, forty thousand, three hundred fifty-six".