139355953 has 16 divisors (see below), whose sum is σ = 161663040. Its totient is φ = 118720000.

The previous prime is 139355947. The next prime is 139355959. The reversal of 139355953 is 359553931.

It is an interprime number because it is at equal distance from previous prime (139355947) and next prime (139355959).

It is a cyclic number.

It is not a de Polignac number, because 139355953 - 2¹⁷ = 139224881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139355959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45453 + ... + 48421.

It is an arithmetic number, because the mean of its divisors is an integer number (10103940).

Almost surely, 2^139355953 is an apocalyptic number.

It is an amenable number.

139355953 is a deficient number, since it is larger than the sum of its proper divisors (22307087).

139355953 is a wasteful number, since it uses less digits than its factorization.

139355953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3248.

The product of its digits is 273375, while the sum is 43.

The square root of 139355953 is about 11804.9122402498. The cubic root of 139355953 is about 518.4519455283.

The spelling of 139355953 in words is "one hundred thirty-nine million, three hundred fifty-five thousand, nine hundred fifty-three".