160135231 has 4 divisors (see below), whose sum is σ = 160461864. Its totient is φ = 159808600.

The previous prime is 160135219. The next prime is 160135247. The reversal of 160135231 is 132531061.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 160135231 - 2⁷ = 160135103 is a prime.

It is a super-2 number, since 2×160135231² = 51286584414846722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160135331) 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, 162580 + ... + 163561.

It is an arithmetic number, because the mean of its divisors is an integer number (40115466).

Almost surely, 2^160135231 is an apocalyptic number.

160135231 is a deficient number, since it is larger than the sum of its proper divisors (326633).

160135231 is an equidigital number, since it uses as much as digits as its factorization.

160135231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326632.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 160135231 is about 12654.4549862884. The cubic root of 160135231 is about 543.0364275028.

Adding to 160135231 its reverse (132531061), we get a palindrome (292666292).

The spelling of 160135231 in words is "one hundred sixty million, one hundred thirty-five thousand, two hundred thirty-one".