1137549312 has 224 divisors, whose sum is σ = 3486302400. Its totient is φ = 366280704.

The previous prime is 1137549293. The next prime is 1137549337. The reversal of 1137549312 is 2139457311.

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

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, 8183739 + ... + 8183877.

It is an arithmetic number, because the mean of its divisors is an integer number (15563850).

Almost surely, 2^1137549312 is an apocalyptic number.

1137549312 is a gapful number since it is divisible by the number (12) 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 1137549312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1743151200).

1137549312 is an abundant number, since it is smaller than the sum of its proper divisors (2348753088).

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

1137549312 is an equidigital number, since it uses as much as digits as its factorization.

1137549312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 181 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 1137549312 is about 33727.5749498834. The cubic root of 1137549312 is about 1043.8948235966.

The spelling of 1137549312 in words is "one billion, one hundred thirty-seven million, five hundred forty-nine thousand, three hundred twelve".