30519136 has 24 divisors (see below), whose sum is σ = 62158320. Its totient is φ = 14732928.

The previous prime is 30519133. The next prime is 30519143. The reversal of 30519136 is 63191503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30519133) 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, 15516 + ... + 17371.

It is an arithmetic number, because the mean of its divisors is an integer number (2589930).

Almost surely, 2^30519136 is an apocalyptic number.

It is an amenable number.

30519136 is an abundant number, since it is smaller than the sum of its proper divisors (31639184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30519136 is a wasteful number, since it uses less digits than its factorization.

30519136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32926 (or 32918 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 30519136 is about 5524.4127289695. The cubic root of 30519136 is about 312.5053174562.

The spelling of 30519136 in words is "thirty million, five hundred nineteen thousand, one hundred thirty-six".