152689613 has 4 divisors (see below), whose sum is σ = 152810460. Its totient is φ = 152568768.

The previous prime is 152689591. The next prime is 152689633. The reversal of 152689613 is 316986251.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 118091689 + 34597924 = 10867^2 + 5882^2 .

It is a cyclic number.

It is not a de Polignac number, because 152689613 - 2⁶ = 152689549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152689633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58508 + ... + 61061.

It is an arithmetic number, because the mean of its divisors is an integer number (38202615).

Almost surely, 2^152689613 is an apocalyptic number.

It is an amenable number.

152689613 is a deficient number, since it is larger than the sum of its proper divisors (120847).

152689613 is a wasteful number, since it uses less digits than its factorization.

152689613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120846.

The product of its digits is 77760, while the sum is 41.

The square root of 152689613 is about 12356.7638562854. The cubic root of 152689613 is about 534.4862019206.

The spelling of 152689613 in words is "one hundred fifty-two million, six hundred eighty-nine thousand, six hundred thirteen".