1153040136 has 32 divisors (see below), whose sum is σ = 2887432800. Its totient is φ = 383702400.

The previous prime is 1153040131. The next prime is 1153040179. The reversal of 1153040136 is 6310403511.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1153040131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25546 + ... + 54393.

It is an arithmetic number, because the mean of its divisors is an integer number (90232275).

Almost surely, 2^1153040136 is an apocalyptic number.

It is an amenable number.

1153040136 is an abundant number, since it is smaller than the sum of its proper divisors (1734392664).

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

1153040136 is a wasteful number, since it uses less digits than its factorization.

1153040136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80549 (or 80545 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1153040136 is about 33956.4446902204. Note that the first 3 decimals coincide. The cubic root of 1153040136 is about 1048.6119636410.

Adding to 1153040136 its reverse (6310403511), we get a palindrome (7463443647).

The spelling of 1153040136 in words is "one billion, one hundred fifty-three million, forty thousand, one hundred thirty-six".