139962873 has 12 divisors (see below), whose sum is σ = 196564560. Its totient is φ = 88341192.

The previous prime is 139962863. The next prime is 139962929. The reversal of 139962873 is 378269931.

It is not a de Polignac number, because 139962873 - 2⁴ = 139962857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139962803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88536 + ... + 90102.

It is an arithmetic number, because the mean of its divisors is an integer number (16380380).

Almost surely, 2^139962873 is an apocalyptic number.

It is an amenable number.

139962873 is a deficient number, since it is larger than the sum of its proper divisors (56601687).

139962873 is an frugal number, since it uses more digits than its factorization.

139962873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3156 (or 1589 counting only the distinct ones).

The product of its digits is 489888, while the sum is 48.

The square root of 139962873 is about 11830.5905600693. The cubic root of 139962873 is about 519.2035057155.

The spelling of 139962873 in words is "one hundred thirty-nine million, nine hundred sixty-two thousand, eight hundred seventy-three".