1131674838 has 16 divisors (see below), whose sum is σ = 2586685440. Its totient is φ = 323335656.

The previous prime is 1131674821. The next prime is 1131674839. The reversal of 1131674838 is 8384761311.

It is a super-3 number, since 3×1131674838³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 26944639 = 1131674838 / (1 + 1 + 3 + 1 + 6 + 7 + 4 + 8 + 3 + 8).

It is a self number, because there is not a number n which added to its sum of digits gives 1131674838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131674839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13472278 + ... + 13472361.

It is an arithmetic number, because the mean of its divisors is an integer number (161667840).

Almost surely, 2^1131674838 is an apocalyptic number.

1131674838 is an abundant number, since it is smaller than the sum of its proper divisors (1455010602).

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

1131674838 is a wasteful number, since it uses less digits than its factorization.

1131674838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26944651.

The product of its digits is 96768, while the sum is 42.

The square root of 1131674838 is about 33640.3751168146. The cubic root of 1131674838 is about 1042.0947787052.

The spelling of 1131674838 in words is "one billion, one hundred thirty-one million, six hundred seventy-four thousand, eight hundred thirty-eight".