1156653234 has 96 divisors (see below), whose sum is σ = 2901000960. Its totient is φ = 329378400.

The previous prime is 1156653217. The next prime is 1156653247. The reversal of 1156653234 is 4323566511.

1156653234 is a `hidden beast` number, since 11 + 566 + 53 + 2 + 34 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 491649 + ... + 493995.

It is an arithmetic number, because the mean of its divisors is an integer number (30218760).

Almost surely, 2^1156653234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1156653234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1450500480).

1156653234 is an abundant number, since it is smaller than the sum of its proper divisors (1744347726).

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

1156653234 is a wasteful number, since it uses less digits than its factorization.

1156653234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2516 (or 2513 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 1156653234 is about 34009.6050256394. The cubic root of 1156653234 is about 1049.7061109471.

The spelling of 1156653234 in words is "one billion, one hundred fifty-six million, six hundred fifty-three thousand, two hundred thirty-four".