151133509 has 2 divisors, whose sum is σ = 151133510. Its totient is φ = 151133508.

The previous prime is 151133501. The next prime is 151133513. The reversal of 151133509 is 905331151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146337409 + 4796100 = 12097^2 + 2190^2 .

It is a cyclic number.

It is not a de Polignac number, because 151133509 - 2³ = 151133501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151133501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75566754 + 75566755.

It is an arithmetic number, because the mean of its divisors is an integer number (75566755).

Almost surely, 2^151133509 is an apocalyptic number.

It is an amenable number.

151133509 is a deficient number, since it is larger than the sum of its proper divisors (1).

151133509 is an equidigital number, since it uses as much as digits as its factorization.

151133509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2025, while the sum is 28.

The square root of 151133509 is about 12293.6369313560. The cubic root of 151133509 is about 532.6642974991.

The spelling of 151133509 in words is "one hundred fifty-one million, one hundred thirty-three thousand, five hundred nine".