101399590 has 16 divisors (see below), whose sum is σ = 186764688. Its totient is φ = 39616416.

The previous prime is 101399587. The next prime is 101399651. The reversal of 101399590 is 95993101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117477 + ... + 118336.

It is an arithmetic number, because the mean of its divisors is an integer number (11672793).

Almost surely, 2^101399590 is an apocalyptic number.

101399590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101399590 is a deficient number, since it is larger than the sum of its proper divisors (85365098).

101399590 is a wasteful number, since it uses less digits than its factorization.

101399590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235863.

The product of its (nonzero) digits is 10935, while the sum is 37.

The square root of 101399590 is about 10069.7363421293. The cubic root of 101399590 is about 466.3142991965.

The spelling of 101399590 in words is "one hundred one million, three hundred ninety-nine thousand, five hundred ninety".