139402367 has 8 divisors (see below), whose sum is σ = 150316320. Its totient is φ = 128515680.

The previous prime is 139402357. The next prime is 139402451. The reversal of 139402367 is 763204931.

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 139402367 - 2⁶ = 139402303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139402357) 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, 4517 + ... + 17297.

It is an arithmetic number, because the mean of its divisors is an integer number (18789540).

Almost surely, 2^139402367 is an apocalyptic number.

139402367 is a deficient number, since it is larger than the sum of its proper divisors (10913953).

139402367 is a wasteful number, since it uses less digits than its factorization.

139402367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13633.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 139402367 is about 11806.8779531255. The cubic root of 139402367 is about 518.5094978061.

The spelling of 139402367 in words is "one hundred thirty-nine million, four hundred two thousand, three hundred sixty-seven".