1131373167 has 16 divisors (see below), whose sum is σ = 1530410112. Its totient is φ = 743365280.

The previous prime is 1131373157. The next prime is 1131373211. The reversal of 1131373167 is 7613731311.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131373167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131373157) 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, 54292 + ... + 72182.

It is an arithmetic number, because the mean of its divisors is an integer number (95650632).

Almost surely, 2^1131373167 is an apocalyptic number.

1131373167 is a deficient number, since it is larger than the sum of its proper divisors (399036945).

1131373167 is a wasteful number, since it uses less digits than its factorization.

1131373167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18198.

The product of its digits is 7938, while the sum is 33.

The square root of 1131373167 is about 33635.8910540512. The cubic root of 1131373167 is about 1042.0021732731.

The spelling of 1131373167 in words is "one billion, one hundred thirty-one million, three hundred seventy-three thousand, one hundred sixty-seven".