139025793 has 48 divisors (see below), whose sum is σ = 208922112. Its totient is φ = 82080000.

The previous prime is 139025773. The next prime is 139025801. The reversal of 139025793 is 397520931.

It is not a de Polignac number, because 139025793 - 2⁶ = 139025729 is a prime.

It is a super-2 number, since 2×139025793² = 38656342238557698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (139025723) 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 47 ways as a sum of consecutive naturals, for example, 1376443 + ... + 1376543.

It is an arithmetic number, because the mean of its divisors is an integer number (4352544).

Almost surely, 2^139025793 is an apocalyptic number.

It is an amenable number.

139025793 is a deficient number, since it is larger than the sum of its proper divisors (69896319).

139025793 is a wasteful number, since it uses less digits than its factorization.

139025793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 39.

The square root of 139025793 is about 11790.9199386647. The cubic root of 139025793 is about 518.0421856094.

The spelling of 139025793 in words is "one hundred thirty-nine million, twenty-five thousand, seven hundred ninety-three".