152138597 has 4 divisors (see below), whose sum is σ = 163841580. Its totient is φ = 140435616.

The previous prime is 152138579. The next prime is 152138633. The reversal of 152138597 is 795831251.

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 59382436 + 92756161 = 7706^2 + 9631^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152138597 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 (152138527) by changing a digit.

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, 5851472 + ... + 5851497.

It is an arithmetic number, because the mean of its divisors is an integer number (40960395).

Almost surely, 2^152138597 is an apocalyptic number.

It is an amenable number.

152138597 is a deficient number, since it is larger than the sum of its proper divisors (11702983).

152138597 is a wasteful number, since it uses less digits than its factorization.

152138597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11702982.

The product of its digits is 75600, while the sum is 41.

The square root of 152138597 is about 12334.4475757936. The cubic root of 152138597 is about 533.8424876887.

The spelling of 152138597 in words is "one hundred fifty-two million, one hundred thirty-eight thousand, five hundred ninety-seven".