139768953 has 8 divisors (see below), whose sum is σ = 194461248. Its totient is φ = 89127984.

The previous prime is 139768931. The next prime is 139768957. The reversal of 139768953 is 359867931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 139768953 - 2¹² = 139764857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 139768896 and 139768905.

It is not an unprimeable number, because it can be changed into a prime (139768957) 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 7 ways as a sum of consecutive naturals, for example, 1012750 + ... + 1012887.

It is an arithmetic number, because the mean of its divisors is an integer number (24307656).

Almost surely, 2^139768953 is an apocalyptic number.

It is an amenable number.

139768953 is a deficient number, since it is larger than the sum of its proper divisors (54692295).

139768953 is a wasteful number, since it uses less digits than its factorization.

139768953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025663.

The product of its digits is 1224720, while the sum is 51.

The square root of 139768953 is about 11822.3920168467. The cubic root of 139768953 is about 518.9636076219.

The spelling of 139768953 in words is "one hundred thirty-nine million, seven hundred sixty-eight thousand, nine hundred fifty-three".