156113 has 4 divisors (see below), whose sum is σ = 157680. Its totient is φ = 154548.

The previous prime is 156109. The next prime is 156119. The reversal of 156113 is 311651.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 311651 = 37 ⋅8423.

It is a cyclic number.

It is not a de Polignac number, because 156113 - 2² = 156109 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 156091 and 156100.

It is not an unprimeable number, because it can be changed into a prime (156119) 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, 623 + ... + 836.

It is an arithmetic number, because the mean of its divisors is an integer number (39420).

2¹⁵⁶¹¹³ is an apocalyptic number.

It is an amenable number.

156113 is a deficient number, since it is larger than the sum of its proper divisors (1567).

156113 is a wasteful number, since it uses less digits than its factorization.

156113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566.

The product of its digits is 90, while the sum is 17.

The square root of 156113 is about 395.1113767028. Note that the first 3 decimals coincide. The cubic root of 156113 is about 53.8451209116.

Adding to 156113 its reverse (311651), we get a palindrome (467764).

The spelling of 156113 in words is "one hundred fifty-six thousand, one hundred thirteen".