1136574640 has 20 divisors (see below), whose sum is σ = 2642536224. Its totient is φ = 454629824.

The previous prime is 1136574629. The next prime is 1136574671. The reversal of 1136574640 is 464756311.

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

It is a super-2 number, since 2×1136574640² = 2583603824582259200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1136574640.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7103512 + ... + 7103671.

Almost surely, 2^1136574640 is an apocalyptic number.

1136574640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1136574640 is an abundant number, since it is smaller than the sum of its proper divisors (1505961584).

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

1136574640 is a wasteful number, since it uses less digits than its factorization.

1136574640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14207196 (or 14207190 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 1136574640 is about 33713.1226675904. The cubic root of 1136574640 is about 1043.5965960021.

The spelling of 1136574640 in words is "one billion, one hundred thirty-six million, five hundred seventy-four thousand, six hundred forty".