1157315732 has 24 divisors (see below), whose sum is σ = 2148975360. Its totient is φ = 543466880.

The previous prime is 1157315713. The next prime is 1157315737. The reversal of 1157315732 is 2375137511.

It is a junction number, because it is equal to n+sod(n) for n = 1157315692 and 1157315701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157315737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14807 + ... + 50337.

It is an arithmetic number, because the mean of its divisors is an integer number (89540640).

Almost surely, 2^1157315732 is an apocalyptic number.

It is an amenable number.

1157315732 is a deficient number, since it is larger than the sum of its proper divisors (991659628).

1157315732 is a wasteful number, since it uses less digits than its factorization.

1157315732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36031 (or 36029 counting only the distinct ones).

The product of its digits is 22050, while the sum is 35.

The square root of 1157315732 is about 34019.3434974868. The cubic root of 1157315732 is about 1049.9064866077.

The spelling of 1157315732 in words is "one billion, one hundred fifty-seven million, three hundred fifteen thousand, seven hundred thirty-two".