139272963 has 8 divisors (see below), whose sum is σ = 185802576. Its totient is φ = 92796000.

The previous prime is 139272949. The next prime is 139272989. The reversal of 139272963 is 369272931.

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

It is not a de Polignac number, because 139272963 - 2¹² = 139268867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139271963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6508 + ... + 17913.

It is an arithmetic number, because the mean of its divisors is an integer number (23225322).

Almost surely, 2^139272963 is an apocalyptic number.

139272963 is a deficient number, since it is larger than the sum of its proper divisors (46529613).

139272963 is a wasteful number, since it uses less digits than its factorization.

139272963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26325.

The product of its digits is 122472, while the sum is 42.

The square root of 139272963 is about 11801.3966546337. The cubic root of 139272963 is about 518.3490080028.

The spelling of 139272963 in words is "one hundred thirty-nine million, two hundred seventy-two thousand, nine hundred sixty-three".