147172136 has 8 divisors (see below), whose sum is σ = 275947770. Its totient is φ = 73586064.

The previous prime is 147172099. The next prime is 147172153. The reversal of 147172136 is 631271741.

147172136 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 116856100 + 30316036 = 10810^2 + 5506^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×147172136² = 43319275229604992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9198251 + ... + 9198266.

Almost surely, 2^147172136 is an apocalyptic number.

It is an amenable number.

147172136 is a deficient number, since it is larger than the sum of its proper divisors (128775634).

147172136 is a wasteful number, since it uses less digits than its factorization.

147172136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18396523 (or 18396519 counting only the distinct ones).

The product of its digits is 7056, while the sum is 32.

The square root of 147172136 is about 12131.4523450410. The cubic root of 147172136 is about 527.9691308093.

The spelling of 147172136 in words is "one hundred forty-seven million, one hundred seventy-two thousand, one hundred thirty-six".