1131553134 has 24 divisors (see below), whose sum is σ = 2530786752. Its totient is φ = 365016960.

The previous prime is 1131553069. The next prime is 1131553139. The reversal of 1131553134 is 4313551311.

It is a happy number.

1131553134 is a `hidden beast` number, since 113 + 15 + 531 + 3 + 4 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1131553098 and 1131553107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131553139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1013379 + ... + 1014494.

It is an arithmetic number, because the mean of its divisors is an integer number (105449448).

Almost surely, 2^1131553134 is an apocalyptic number.

1131553134 is an abundant number, since it is smaller than the sum of its proper divisors (1399233618).

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

1131553134 is a wasteful number, since it uses less digits than its factorization.

1131553134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027912 (or 2027909 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 1131553134 is about 33638.5661703944. The cubic root of 1131553134 is about 1042.0574206098.

The spelling of 1131553134 in words is "one billion, one hundred thirty-one million, five hundred fifty-three thousand, one hundred thirty-four".