138410715 has 8 divisors (see below), whose sum is σ = 221457168. Its totient is φ = 73819040.

The previous prime is 138410693. The next prime is 138410731. The reversal of 138410715 is 517014831.

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

It is not a de Polignac number, because 138410715 - 2¹⁵ = 138377947 is a prime.

It is a super-2 number, since 2×138410715² = 38315052053622450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4613676 + ... + 4613705.

It is an arithmetic number, because the mean of its divisors is an integer number (27682146).

Almost surely, 2^138410715 is an apocalyptic number.

138410715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

138410715 is a deficient number, since it is larger than the sum of its proper divisors (83046453).

138410715 is an equidigital number, since it uses as much as digits as its factorization.

138410715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9227389.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 138410715 is about 11764.8083282304. The cubic root of 138410715 is about 517.2770819869.

The spelling of 138410715 in words is "one hundred thirty-eight million, four hundred ten thousand, seven hundred fifteen".