1135465631 has 4 divisors (see below), whose sum is σ = 1195227000. Its totient is φ = 1075704264.

The previous prime is 1135465609. The next prime is 1135465673. The reversal of 1135465631 is 1365645311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1135465631 - 2¹⁴ = 1135449247 is a prime.

It is a super-2 number, since 2×1135465631² = 2578564398364456322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1135465591 and 1135465600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135465601) 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, 29880656 + ... + 29880693.

It is an arithmetic number, because the mean of its divisors is an integer number (298806750).

Almost surely, 2^1135465631 is an apocalyptic number.

1135465631 is a deficient number, since it is larger than the sum of its proper divisors (59761369).

1135465631 is an equidigital number, since it uses as much as digits as its factorization.

1135465631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59761368.

The product of its digits is 32400, while the sum is 35.

The square root of 1135465631 is about 33696.6709186531. The cubic root of 1135465631 is about 1043.2570568845.

The spelling of 1135465631 in words is "one billion, one hundred thirty-five million, four hundred sixty-five thousand, six hundred thirty-one".