162135513 has 10 divisors (see below), whose sum is σ = 242202554. Its totient is φ = 108090288.

The previous prime is 162135509. The next prime is 162135521. The reversal of 162135513 is 315531261.

162135513 is a `hidden beast` number, since 1 + 621 + 35 + 5 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 156950784 + 5184729 = 12528^2 + 2277^2 .

It is not a de Polignac number, because 162135513 - 2² = 162135509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162135553) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1000756 + ... + 1000917.

Almost surely, 2^162135513 is an apocalyptic number.

It is an amenable number.

162135513 is a deficient number, since it is larger than the sum of its proper divisors (80067041).

162135513 is an equidigital number, since it uses as much as digits as its factorization.

162135513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001685 (or 2001676 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 162135513 is about 12733.2444019582. The cubic root of 162135513 is about 545.2881376237.

Adding to 162135513 its reverse (315531261), we get a palindrome (477666774).

The spelling of 162135513 in words is "one hundred sixty-two million, one hundred thirty-five thousand, five hundred thirteen".