139602086 has 8 divisors (see below), whose sum is σ = 225511104. Its totient is φ = 64431720.

The previous prime is 139602059. The next prime is 139602097. The reversal of 139602086 is 680206931.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2684630 + ... + 2684681.

It is an arithmetic number, because the mean of its divisors is an integer number (28188888).

Almost surely, 2^139602086 is an apocalyptic number.

139602086 is a deficient number, since it is larger than the sum of its proper divisors (85909018).

139602086 is a wasteful number, since it uses less digits than its factorization.

139602086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5369326.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 139602086 is about 11815.3326656510. The cubic root of 139602086 is about 518.7569990636.

The spelling of 139602086 in words is "one hundred thirty-nine million, six hundred two thousand, eighty-six".