138614294 has 64 divisors (see below), whose sum is σ = 275208192. Its totient is φ = 50803200.

The previous prime is 138614279. The next prime is 138614303. The reversal of 138614294 is 492416831.

It is a super-2 number, since 2×138614294² = 38427845002236872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219359 + ... + 219989.

It is an arithmetic number, because the mean of its divisors is an integer number (4300128).

Almost surely, 2^138614294 is an apocalyptic number.

138614294 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

138614294 is a deficient number, since it is larger than the sum of its proper divisors (136593898).

138614294 is a wasteful number, since it uses less digits than its factorization.

138614294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741.

The product of its digits is 41472, while the sum is 38.

The square root of 138614294 is about 11773.4571813041. The cubic root of 138614294 is about 517.5305670914.

The spelling of 138614294 in words is "one hundred thirty-eight million, six hundred fourteen thousand, two hundred ninety-four".