234971136 has 84 divisors (see below), whose sum is σ = 678977052. Its totient is φ = 78299136.

The previous prime is 234971117. The next prime is 234971141. The reversal of 234971136 is 631179432.

It is a super-2 number, since 2×234971136² = 110422869506260992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 234971136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72135 + ... + 75321.

Almost surely, 2^234971136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234971136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339488526).

234971136 is an abundant number, since it is smaller than the sum of its proper divisors (444005916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

234971136 is an equidigital number, since it uses as much as digits as its factorization.

234971136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3219 (or 3192 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 234971136 is about 15328.7682479709. The cubic root of 234971136 is about 617.0753130076.

The spelling of 234971136 in words is "two hundred thirty-four million, nine hundred seventy-one thousand, one hundred thirty-six".