1133653260 has 72 divisors (see below), whose sum is σ = 3280093488. Its totient is φ = 292540800.

The previous prime is 1133653201. The next prime is 1133653271. The reversal of 1133653260 is 623563311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 47830 + ... + 67490.

It is an arithmetic number, because the mean of its divisors is an integer number (45556854).

Almost surely, 2^1133653260 is an apocalyptic number.

1133653260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1133653260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1640046744).

1133653260 is an abundant number, since it is smaller than the sum of its proper divisors (2146440228).

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

1133653260 is a wasteful number, since it uses less digits than its factorization.

1133653260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19735 (or 19702 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 1133653260 is about 33669.7677449667. The cubic root of 1133653260 is about 1042.7016971393.

The spelling of 1133653260 in words is "one billion, one hundred thirty-three million, six hundred fifty-three thousand, two hundred sixty".