153136231 has 4 divisors (see below), whose sum is σ = 159794352. Its totient is φ = 146478112.

The previous prime is 153136183. The next prime is 153136241. The reversal of 153136231 is 132631351.

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 153136231 - 2¹¹ = 153134183 is a prime.

It is a super-2 number, since 2×153136231² = 46901410489770722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 153136196 and 153136205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153136241) 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, 3329026 + ... + 3329071.

It is an arithmetic number, because the mean of its divisors is an integer number (39948588).

Almost surely, 2^153136231 is an apocalyptic number.

153136231 is a deficient number, since it is larger than the sum of its proper divisors (6658121).

153136231 is an equidigital number, since it uses as much as digits as its factorization.

153136231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6658120.

The product of its digits is 1620, while the sum is 25.

The square root of 153136231 is about 12374.8224633730. The cubic root of 153136231 is about 535.0068197227.

Adding to 153136231 its reverse (132631351), we get a palindrome (285767582).

The spelling of 153136231 in words is "one hundred fifty-three million, one hundred thirty-six thousand, two hundred thirty-one".