139915010 has 8 divisors (see below), whose sum is σ = 251847036. Its totient is φ = 55966000.

The previous prime is 139914989. The next prime is 139915021. The reversal of 139915010 is 10519931.

It can be written as a sum of positive squares in 2 ways, for example, as 134629609 + 5285401 = 11603^2 + 2299^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6995741 + ... + 6995760.

Almost surely, 2^139915010 is an apocalyptic number.

139915010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139915010 is a deficient number, since it is larger than the sum of its proper divisors (111932026).

139915010 is a wasteful number, since it uses less digits than its factorization.

139915010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13991508.

The product of its (nonzero) digits is 1215, while the sum is 29.

The square root of 139915010 is about 11828.5675379566. The cubic root of 139915010 is about 519.1443150884.

The spelling of 139915010 in words is "one hundred thirty-nine million, nine hundred fifteen thousand, ten".