147336138 has 16 divisors (see below), whose sum is σ = 327413760. Its totient is φ = 49112028.

The previous prime is 147336097. The next prime is 147336139. The reversal of 147336138 is 831633741.

147336138 is a `hidden beast` number, since 1 + 4 + 7 + 33 + 613 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (147336139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1364170 + ... + 1364277.

It is an arithmetic number, because the mean of its divisors is an integer number (20463360).

Almost surely, 2^147336138 is an apocalyptic number.

147336138 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

147336138 is an abundant number, since it is smaller than the sum of its proper divisors (180077622).

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

147336138 is a wasteful number, since it uses less digits than its factorization.

147336138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728458 (or 2728452 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 147336138 is about 12138.2098350622. The cubic root of 147336138 is about 528.1651730140.

Adding to 147336138 its reverse (831633741), we get a palindrome (978969879).

The spelling of 147336138 in words is "one hundred forty-seven million, three hundred thirty-six thousand, one hundred thirty-eight".