614139990 has 32 divisors (see below), whose sum is σ = 1482990336. Its totient is φ = 162764640.

The previous prime is 614139941. The next prime is 614140001. The reversal of 614139990 is 99931416.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57906 + ... + 67685.

It is an arithmetic number, because the mean of its divisors is an integer number (46343448).

Almost surely, 2^614139990 is an apocalyptic number.

614139990 is an abundant number, since it is smaller than the sum of its proper divisors (868850346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

614139990 is a wasteful number, since it uses less digits than its factorization.

614139990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125764.

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 614139990 is about 24781.8479940460. The cubic root of 614139990 is about 850.0069157453.

The spelling of 614139990 in words is "six hundred fourteen million, one hundred thirty-nine thousand, nine hundred ninety".