1147088340 has 72 divisors (see below), whose sum is σ = 3513339648. Its totient is φ = 302915520.

The previous prime is 1147088329. The next prime is 1147088399. The reversal of 1147088340 is 438807411.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1147088295 and 1147088304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12396 + ... + 49475.

It is an arithmetic number, because the mean of its divisors is an integer number (48796384).

Almost surely, 2^1147088340 is an apocalyptic number.

1147088340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1147088340 is an abundant number, since it is smaller than the sum of its proper divisors (2366251308).

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

1147088340 is a wasteful number, since it uses less digits than its factorization.

1147088340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61989 (or 61984 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 1147088340 is about 33868.6926231291. The cubic root of 1147088340 is about 1046.8045984171.

The spelling of 1147088340 in words is "one billion, one hundred forty-seven million, eighty-eight thousand, three hundred forty".