147013138 has 4 divisors (see below), whose sum is σ = 220519710. Its totient is φ = 73506568.

The previous prime is 147013091. The next prime is 147013157. The reversal of 147013138 is 831310741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 831310741 = 67 ⋅12407623.

It can be written as a sum of positive squares in only one way, i.e., 146724769 + 288369 = 12113^2 + 537^2 .

It is a super-2 number, since 2×147013138² = 43225725489214088, 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, 36753283 + ... + 36753286.

Almost surely, 2^147013138 is an apocalyptic number.

147013138 is a deficient number, since it is larger than the sum of its proper divisors (73506572).

147013138 is an equidigital number, since it uses as much as digits as its factorization.

147013138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73506571.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 147013138 is about 12124.8974428652. The cubic root of 147013138 is about 527.7789311180.

Adding to 147013138 its reverse (831310741), we get a palindrome (978323879).

The spelling of 147013138 in words is "one hundred forty-seven million, thirteen thousand, one hundred thirty-eight".