149535013 has 2 divisors, whose sum is σ = 149535014. Its totient is φ = 149535012.

The previous prime is 149534999. The next prime is 149535079. The reversal of 149535013 is 310535941.

It is a happy number.

149535013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105206049 + 44328964 = 10257^2 + 6658^2 .

It is a cyclic number.

It is not a de Polignac number, because 149535013 - 2²¹ = 147437861 is a prime.

It is a super-2 number, since 2×149535013² = 44721440225820338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149535613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74767506 + 74767507.

It is an arithmetic number, because the mean of its divisors is an integer number (74767507).

Almost surely, 2^149535013 is an apocalyptic number.

It is an amenable number.

149535013 is a deficient number, since it is larger than the sum of its proper divisors (1).

149535013 is an equidigital number, since it uses as much as digits as its factorization.

149535013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 149535013 is about 12228.4509648606. The cubic root of 149535013 is about 530.7796913912.

The spelling of 149535013 in words is "one hundred forty-nine million, five hundred thirty-five thousand, thirteen".