1156295634 has 48 divisors (see below), whose sum is σ = 2539594944. Its totient is φ = 350750400.

The previous prime is 1156295603. The next prime is 1156295639. The reversal of 1156295634 is 4365926511.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1156295639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63964 + ... + 80024.

It is an arithmetic number, because the mean of its divisors is an integer number (52908228).

Almost surely, 2^1156295634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1156295634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1269797472).

1156295634 is an abundant number, since it is smaller than the sum of its proper divisors (1383299310).

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

1156295634 is a wasteful number, since it uses less digits than its factorization.

1156295634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16163 (or 16150 counting only the distinct ones).

The product of its digits is 194400, while the sum is 42.

The square root of 1156295634 is about 34004.3472808992. The cubic root of 1156295634 is about 1049.5979213343.

The spelling of 1156295634 in words is "one billion, one hundred fifty-six million, two hundred ninety-five thousand, six hundred thirty-four".