156134461 has 4 divisors (see below), whose sum is σ = 178439392. Its totient is φ = 133829532.

The previous prime is 156134399. The next prime is 156134471. The reversal of 156134461 is 164431651.

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: 164431651 = 1453 ⋅113167.

It is a cyclic number.

It is not a de Polignac number, because 156134461 - 2¹¹ = 156132413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156134471) 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, 11152455 + ... + 11152468.

It is an arithmetic number, because the mean of its divisors is an integer number (44609848).

Almost surely, 2^156134461 is an apocalyptic number.

It is an amenable number.

156134461 is a deficient number, since it is larger than the sum of its proper divisors (22304931).

156134461 is an equidigital number, since it uses as much as digits as its factorization.

156134461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22304930.

The product of its digits is 8640, while the sum is 31.

The square root of 156134461 is about 12495.3775853313. The cubic root of 156134461 is about 538.4758817828.

The spelling of 156134461 in words is "one hundred fifty-six million, one hundred thirty-four thousand, four hundred sixty-one".