1131739532 has 48 divisors (see below), whose sum is σ = 2526703872. Its totient is φ = 430678080.

The previous prime is 1131739507. The next prime is 1131739547. The reversal of 1131739532 is 2359371311.

It is a junction number, because it is equal to n+sod(n) for n = 1131739492 and 1131739501.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29483 + ... + 55970.

It is an arithmetic number, because the mean of its divisors is an integer number (52639664).

Almost surely, 2^1131739532 is an apocalyptic number.

It is an amenable number.

1131739532 is an abundant number, since it is smaller than the sum of its proper divisors (1394964340).

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

1131739532 is a wasteful number, since it uses less digits than its factorization.

1131739532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85518 (or 85516 counting only the distinct ones).

The product of its digits is 17010, while the sum is 35.

The square root of 1131739532 is about 33641.3366559654. The cubic root of 1131739532 is about 1042.1146359978.

The spelling of 1131739532 in words is "one billion, one hundred thirty-one million, seven hundred thirty-nine thousand, five hundred thirty-two".