139372966 has 8 divisors (see below), whose sum is σ = 209255040. Its totient is φ = 69621288.

The previous prime is 139372921. The next prime is 139372967. The reversal of 139372966 is 669273931.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139372967) 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 3 ways as a sum of consecutive naturals, for example, 29881 + ... + 34228.

It is an arithmetic number, because the mean of its divisors is an integer number (26156880).

Almost surely, 2^139372966 is an apocalyptic number.

139372966 is a deficient number, since it is larger than the sum of its proper divisors (69882074).

139372966 is a wasteful number, since it uses less digits than its factorization.

139372966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65198.

The product of its digits is 367416, while the sum is 46.

The square root of 139372966 is about 11805.6328081133. The cubic root of 139372966 is about 518.4730427350.

The spelling of 139372966 in words is "one hundred thirty-nine million, three hundred seventy-two thousand, nine hundred sixty-six".