149373613 has 4 divisors (see below), whose sum is σ = 149860480. Its totient is φ = 148886748.

The previous prime is 149373607. The next prime is 149373629. The reversal of 149373613 is 316373941.

149373613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149373613 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 (149373643) 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, 242973 + ... + 243586.

It is an arithmetic number, because the mean of its divisors is an integer number (37465120).

Almost surely, 2^149373613 is an apocalyptic number.

It is an amenable number.

149373613 is a deficient number, since it is larger than the sum of its proper divisors (486867).

149373613 is an equidigital number, since it uses as much as digits as its factorization.

149373613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486866.

The product of its digits is 40824, while the sum is 37.

The square root of 149373613 is about 12221.8498190740. The cubic root of 149373613 is about 530.5886576867.

The spelling of 149373613 in words is "one hundred forty-nine million, three hundred seventy-three thousand, six hundred thirteen".