30136532 has 12 divisors (see below), whose sum is σ = 55032096. Its totient is φ = 14413080.

The previous prime is 30136531. The next prime is 30136543. The reversal of 30136532 is 23563103.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 30136498 and 30136507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30136531) 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, 163694 + ... + 163877.

It is an arithmetic number, because the mean of its divisors is an integer number (4586008).

Almost surely, 2^30136532 is an apocalyptic number.

It is an amenable number.

30136532 is a deficient number, since it is larger than the sum of its proper divisors (24895564).

30136532 is a wasteful number, since it uses less digits than its factorization.

30136532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327598 (or 327596 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 30136532 is about 5489.6750359197. The cubic root of 30136532 is about 311.1939113891.

Adding to 30136532 its reverse (23563103), we get a palindrome (53699635).

The spelling of 30136532 in words is "thirty million, one hundred thirty-six thousand, five hundred thirty-two".