1136390465 has 8 divisors (see below), whose sum is σ = 1558478400. Its totient is φ = 779239152.

The previous prime is 1136390459. The next prime is 1136390503. The reversal of 1136390465 is 5640936311.

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 1136390465 - 2²⁴ = 1119613249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16234115 + ... + 16234184.

It is an arithmetic number, because the mean of its divisors is an integer number (194809800).

Almost surely, 2^1136390465 is an apocalyptic number.

It is an amenable number.

1136390465 is a deficient number, since it is larger than the sum of its proper divisors (422087935).

1136390465 is an equidigital number, since it uses as much as digits as its factorization.

1136390465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32468311.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 1136390465 is about 33710.3910537982. The cubic root of 1136390465 is about 1043.5402234656.

The spelling of 1136390465 in words is "one billion, one hundred thirty-six million, three hundred ninety thousand, four hundred sixty-five".