156137 has 4 divisors (see below), whose sum is σ = 157140. Its totient is φ = 155136.

The previous prime is 156131. The next prime is 156139. The reversal of 156137 is 731651.

156137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 90601 + 65536 = 301^2 + 256^2 .

It is a cyclic number.

It is not a de Polignac number, because 156137 - 2¹² = 152041 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 156137.

It is not an unprimeable number, because it can be changed into a prime (156131) 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, 212 + ... + 597.

It is an arithmetic number, because the mean of its divisors is an integer number (39285).

2¹⁵⁶¹³⁷ is an apocalyptic number.

It is an amenable number.

156137 is a deficient number, since it is larger than the sum of its proper divisors (1003).

156137 is an equidigital number, since it uses as much as digits as its factorization.

156137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002.

The product of its digits is 630, while the sum is 23.

The square root of 156137 is about 395.1417467188. The cubic root of 156137 is about 53.8478800598.

Adding to 156137 its reverse (731651), we get a palindrome (887788).

The spelling of 156137 in words is "one hundred fifty-six thousand, one hundred thirty-seven".