1136507440 has 20 divisors (see below), whose sum is σ = 2642379984. Its totient is φ = 454602944.

The previous prime is 1136507377. The next prime is 1136507447. The reversal of 1136507440 is 447056311.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×1136507440² = 2583298322350707200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1136507447) 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, 7103092 + ... + 7103251.

Almost surely, 2^1136507440 is an apocalyptic number.

1136507440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1136507440 is an abundant number, since it is smaller than the sum of its proper divisors (1505872544).

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

1136507440 is a wasteful number, since it uses less digits than its factorization.

1136507440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14206356 (or 14206350 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 1136507440 is about 33712.1260083075. The cubic root of 1136507440 is about 1043.5760280396.

The spelling of 1136507440 in words is "one billion, one hundred thirty-six million, five hundred seven thousand, four hundred forty".