139031553 has 16 divisors (see below), whose sum is σ = 189907200. Its totient is φ = 90445200.

The previous prime is 139031551. The next prime is 139031567. The reversal of 139031553 is 355130931.

It is not a de Polignac number, because 139031553 - 2¹ = 139031551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 139031553.

It is not an unprimeable number, because it can be changed into a prime (139031551) 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, 21778 + ... + 27428.

It is an arithmetic number, because the mean of its divisors is an integer number (11869200).

Almost surely, 2^139031553 is an apocalyptic number.

It is an amenable number.

139031553 is a deficient number, since it is larger than the sum of its proper divisors (50875647).

139031553 is a wasteful number, since it uses less digits than its factorization.

139031553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5852.

The product of its (nonzero) digits is 6075, while the sum is 30.

The square root of 139031553 is about 11791.1641918854. The cubic root of 139031553 is about 518.0493398737.

The spelling of 139031553 in words is "one hundred thirty-nine million, thirty-one thousand, five hundred fifty-three".