1153651140 has 48 divisors (see below), whose sum is σ = 3589138560. Its totient is φ = 307640160.

The previous prime is 1153651099. The next prime is 1153651183. The reversal of 1153651140 is 411563511.

1153651140 is a `hidden beast` number, since 1 + 1 + 5 + 3 + 651 + 1 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1067656 + ... + 1068735.

It is an arithmetic number, because the mean of its divisors is an integer number (74773720).

Almost surely, 2^1153651140 is an apocalyptic number.

1153651140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1153651140 is an abundant number, since it is smaller than the sum of its proper divisors (2435487420).

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

1153651140 is a wasteful number, since it uses less digits than its factorization.

1153651140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136409 (or 2136401 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 1153651140 is about 33965.4403769479. The cubic root of 1153651140 is about 1048.7971531951.

The spelling of 1153651140 in words is "one billion, one hundred fifty-three million, six hundred fifty-one thousand, one hundred forty".