1136394240 has 228 divisors, whose sum is σ = 3862946616. Its totient is φ = 285212672.

The previous prime is 1136394173. The next prime is 1136394277. The reversal of 1136394240 is 424936311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66846712 + ... + 66846728.

Almost surely, 2^1136394240 is an apocalyptic number.

1136394240 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 1136394240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1931473308).

1136394240 is an abundant number, since it is smaller than the sum of its proper divisors (2726552376).

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

1136394240 is an frugal number, since it uses more digits than its factorization.

1136394240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 27 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 1136394240 is about 33710.4470453894. The cubic root of 1136394240 is about 1043.5413789840.

The spelling of 1136394240 in words is "one billion, one hundred thirty-six million, three hundred ninety-four thousand, two hundred forty".