156261134 has 4 divisors (see below), whose sum is σ = 234391704. Its totient is φ = 78130566.

The previous prime is 156261121. The next prime is 156261139. The reversal of 156261134 is 431162651.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 156261097 and 156261106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156261139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39065282 + ... + 39065285.

It is an arithmetic number, because the mean of its divisors is an integer number (58597926).

Almost surely, 2^156261134 is an apocalyptic number.

156261134 is a deficient number, since it is larger than the sum of its proper divisors (78130570).

156261134 is an equidigital number, since it uses as much as digits as its factorization.

156261134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78130569.

The product of its digits is 4320, while the sum is 29.

The square root of 156261134 is about 12500.4453520665. The cubic root of 156261134 is about 538.6214655246.

The spelling of 156261134 in words is "one hundred fifty-six million, two hundred sixty-one thousand, one hundred thirty-four".