139965093 has 24 divisors (see below), whose sum is σ = 210802176. Its totient is φ = 89388000.

The previous prime is 139965073. The next prime is 139965101. The reversal of 139965093 is 390569931.

139965093 is a `hidden beast` number, since 139 + 9 + 6 + 509 + 3 = 666.

139965093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 139965093 - 2⁵ = 139965061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139965073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25696 + ... + 30662.

It is an arithmetic number, because the mean of its divisors is an integer number (8783424).

Almost surely, 2^139965093 is an apocalyptic number.

It is an amenable number.

139965093 is a deficient number, since it is larger than the sum of its proper divisors (70837083).

139965093 is a wasteful number, since it uses less digits than its factorization.

139965093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5105 (or 5102 counting only the distinct ones).

The product of its (nonzero) digits is 196830, while the sum is 45.

The square root of 139965093 is about 11830.6843842611. The cubic root of 139965093 is about 519.2062507903.

The spelling of 139965093 in words is "one hundred thirty-nine million, nine hundred sixty-five thousand, ninety-three".