149135953 has 2 divisors, whose sum is σ = 149135954. Its totient is φ = 149135952.

The previous prime is 149135941. The next prime is 149135957. The reversal of 149135953 is 359531941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111767184 + 37368769 = 10572^2 + 6113^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149135953 is a prime.

It is not a weakly prime, because it can be changed into another prime (149135957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74567976 + 74567977.

It is an arithmetic number, because the mean of its divisors is an integer number (74567977).

Almost surely, 2^149135953 is an apocalyptic number.

It is an amenable number.

149135953 is a deficient number, since it is larger than the sum of its proper divisors (1).

149135953 is an equidigital number, since it uses as much as digits as its factorization.

149135953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72900, while the sum is 40.

The square root of 149135953 is about 12212.1231978719. The cubic root of 149135953 is about 530.3071116721.

The spelling of 149135953 in words is "one hundred forty-nine million, one hundred thirty-five thousand, nine hundred fifty-three".