152139615 has 8 divisors (see below), whose sum is σ = 243423408. Its totient is φ = 81141120.

The previous prime is 152139577. The next prime is 152139619. The reversal of 152139615 is 516931251.

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

It is not a de Polignac number, because 152139615 - 2¹⁵ = 152106847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152139619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5071306 + ... + 5071335.

It is an arithmetic number, because the mean of its divisors is an integer number (30427926).

Almost surely, 2^152139615 is an apocalyptic number.

152139615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

152139615 is a deficient number, since it is larger than the sum of its proper divisors (91283793).

152139615 is a wasteful number, since it uses less digits than its factorization.

152139615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10142649.

The product of its digits is 8100, while the sum is 33.

The square root of 152139615 is about 12334.4888422666. The cubic root of 152139615 is about 533.8436783803.

The spelling of 152139615 in words is "one hundred fifty-two million, one hundred thirty-nine thousand, six hundred fifteen".