139652955 has 24 divisors (see below), whose sum is σ = 260686608. Its totient is φ = 68751936.

The previous prime is 139652939. The next prime is 139652957. The reversal of 139652955 is 559256931.

It is not a de Polignac number, because 139652955 - 2⁴ = 139652939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 139652955.

It is not an unprimeable number, because it can be changed into a prime (139652957) 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, 118777 + ... + 119946.

It is an arithmetic number, because the mean of its divisors is an integer number (10861942).

Almost surely, 2^139652955 is an apocalyptic number.

139652955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

139652955 is a deficient number, since it is larger than the sum of its proper divisors (121033653).

139652955 is a wasteful number, since it uses less digits than its factorization.

139652955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238747 (or 238744 counting only the distinct ones).

The product of its digits is 364500, while the sum is 45.

The square root of 139652955 is about 11817.4851385563. The cubic root of 139652955 is about 518.8200006180.

The spelling of 139652955 in words is "one hundred thirty-nine million, six hundred fifty-two thousand, nine hundred fifty-five".