1131913486 has 32 divisors (see below), whose sum is σ = 1997291520. Its totient is φ = 475531200.

The previous prime is 1131913483. The next prime is 1131913493. The reversal of 1131913486 is 6843191311.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131913483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15886 + ... + 50161.

It is an arithmetic number, because the mean of its divisors is an integer number (62415360).

Almost surely, 2^1131913486 is an apocalyptic number.

1131913486 is a deficient number, since it is larger than the sum of its proper divisors (865378034).

1131913486 is a wasteful number, since it uses less digits than its factorization.

1131913486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66120.

The product of its digits is 15552, while the sum is 37.

The square root of 1131913486 is about 33643.9219770823. The cubic root of 1131913486 is about 1042.1680259982.

The spelling of 1131913486 in words is "one billion, one hundred thirty-one million, nine hundred thirteen thousand, four hundred eighty-six".