1131429337 has 4 divisors (see below), whose sum is σ = 1141442100. Its totient is φ = 1121416576.

The previous prime is 1131429311. The next prime is 1131429349. The reversal of 1131429337 is 7339241311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7339241311 = 503 ⋅14590937.

It can be written as a sum of positive squares in 2 ways, for example, as 21939856 + 1109489481 = 4684^2 + 33309^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131429337 - 2⁷ = 1131429209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131429137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5006212 + ... + 5006437.

It is an arithmetic number, because the mean of its divisors is an integer number (285360525).

Almost surely, 2^1131429337 is an apocalyptic number.

It is an amenable number.

1131429337 is a deficient number, since it is larger than the sum of its proper divisors (10012763).

1131429337 is a wasteful number, since it uses less digits than its factorization.

1131429337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10012762.

The product of its digits is 13608, while the sum is 34.

The square root of 1131429337 is about 33636.7260148784. The cubic root of 1131429337 is about 1042.0194173017.

The spelling of 1131429337 in words is "one billion, one hundred thirty-one million, four hundred twenty-nine thousand, three hundred thirty-seven".