1137978582 has 64 divisors (see below), whose sum is σ = 2515193856. Its totient is φ = 341078400.

The previous prime is 1137978539. The next prime is 1137978619. The reversal of 1137978582 is 2858797311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 623323 + ... + 625145.

It is an arithmetic number, because the mean of its divisors is an integer number (39299904).

Almost surely, 2^1137978582 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1137978582, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1257596928).

1137978582 is an abundant number, since it is smaller than the sum of its proper divisors (1377215274).

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

1137978582 is a wasteful number, since it uses less digits than its factorization.

1137978582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045.

The product of its digits is 846720, while the sum is 51.

The square root of 1137978582 is about 33733.9381335770. The cubic root of 1137978582 is about 1044.0261164765.

The spelling of 1137978582 in words is "one billion, one hundred thirty-seven million, nine hundred seventy-eight thousand, five hundred eighty-two".