1136245686 has 32 divisors (see below), whose sum is σ = 2284848000. Its totient is φ = 376696320.

The previous prime is 1136245673. The next prime is 1136245687. The reversal of 1136245686 is 6865426311.

It is a super-2 number, since 2×1136245686² = 2582108517907221192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1136245687) 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 15 ways as a sum of consecutive naturals, for example, 1322325 + ... + 1323183.

It is an arithmetic number, because the mean of its divisors is an integer number (71401500).

Almost surely, 2^1136245686 is an apocalyptic number.

1136245686 is an abundant number, since it is smaller than the sum of its proper divisors (1148602314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1136245686 is a wasteful number, since it uses less digits than its factorization.

1136245686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804.

The product of its digits is 207360, while the sum is 42.

The square root of 1136245686 is about 33708.2435911455. The cubic root of 1136245686 is about 1043.4959050348.

The spelling of 1136245686 in words is "one billion, one hundred thirty-six million, two hundred forty-five thousand, six hundred eighty-six".