139334377 has 8 divisors (see below), whose sum is σ = 171488576. Its totient is φ = 110242512.

The previous prime is 139334323. The next prime is 139334387. The reversal of 139334377 is 773433931.

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

It is a cyclic number.

It is not a de Polignac number, because 139334377 - 2⁷ = 139334249 is a prime.

It is a super-2 number, since 2×139334377² = 38828137227956258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (139334387) 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, 765483 + ... + 765664.

It is an arithmetic number, because the mean of its divisors is an integer number (21436072).

Almost surely, 2^139334377 is an apocalyptic number.

It is an amenable number.

139334377 is a deficient number, since it is larger than the sum of its proper divisors (32154199).

139334377 is a wasteful number, since it uses less digits than its factorization.

139334377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531167.

The product of its digits is 142884, while the sum is 40.

The square root of 139334377 is about 11803.9983480175. The cubic root of 139334377 is about 518.4251874404.

The spelling of 139334377 in words is "one hundred thirty-nine million, three hundred thirty-four thousand, three hundred seventy-seven".