1131362157 has 8 divisors (see below), whose sum is σ = 1574069184. Its totient is φ = 721448288.

The previous prime is 1131362153. The next prime is 1131362171. The reversal of 1131362157 is 7512631311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1131362157 - 2² = 1131362153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131362153) 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, 8198208 + ... + 8198345.

It is an arithmetic number, because the mean of its divisors is an integer number (196758648).

Almost surely, 2^1131362157 is an apocalyptic number.

It is an amenable number.

1131362157 is a deficient number, since it is larger than the sum of its proper divisors (442707027).

1131362157 is a wasteful number, since it uses less digits than its factorization.

1131362157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16396579.

The product of its digits is 3780, while the sum is 30.

The square root of 1131362157 is about 33635.7273891914. The cubic root of 1131362157 is about 1041.9987931679.

Adding to 1131362157 its reverse (7512631311), we get a palindrome (8643993468).

The spelling of 1131362157 in words is "one billion, one hundred thirty-one million, three hundred sixty-two thousand, one hundred fifty-seven".