1133777137 has 4 divisors (see below), whose sum is σ = 1136866816. Its totient is φ = 1130687460.

The previous prime is 1133777131. The next prime is 1133777147. The reversal of 1133777137 is 7317773311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1133777137 - 2²⁷ = 999559409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1133777137.

It is not an unprimeable number, because it can be changed into a prime (1133777131) 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, 1544289 + ... + 1545022.

It is an arithmetic number, because the mean of its divisors is an integer number (284216704).

Almost surely, 2^1133777137 is an apocalyptic number.

It is an amenable number.

1133777137 is a deficient number, since it is larger than the sum of its proper divisors (3089679).

1133777137 is an equidigital number, since it uses as much as digits as its factorization.

1133777137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3089678.

The product of its digits is 64827, while the sum is 40.

The square root of 1133777137 is about 33671.6072826944. The cubic root of 1133777137 is about 1042.7396752578.

The spelling of 1133777137 in words is "one billion, one hundred thirty-three million, seven hundred seventy-seven thousand, one hundred thirty-seven".