138954710 has 16 divisors (see below), whose sum is σ = 258187392. Its totient is φ = 53788800.

The previous prime is 138954709. The next prime is 138954727. The reversal of 138954710 is 17459831.

It is a super-3 number, since 3×138954710³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 223811 + ... + 224430.

It is an arithmetic number, because the mean of its divisors is an integer number (16136712).

Almost surely, 2^138954710 is an apocalyptic number.

138954710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138954710 is a deficient number, since it is larger than the sum of its proper divisors (119232682).

138954710 is a wasteful number, since it uses less digits than its factorization.

138954710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448279.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 138954710 is about 11787.9052422388. The cubic root of 138954710 is about 517.9538800041.

The spelling of 138954710 in words is "one hundred thirty-eight million, nine hundred fifty-four thousand, seven hundred ten".