1137154788 has 240 divisors, whose sum is σ = 3902976000. Its totient is φ = 279702720.

The previous prime is 1137154787. The next prime is 1137154789. The reversal of 1137154788 is 8874517311.

1137154788 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1137154787) and next prime (1137154789).

It is not an unprimeable number, because it can be changed into a prime (1137154783) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 472813 + ... + 475211.

It is an arithmetic number, because the mean of its divisors is an integer number (16262400).

Almost surely, 2^1137154788 is an apocalyptic number.

1137154788 is a gapful number since it is divisible by the number (18) 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 1137154788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1951488000).

1137154788 is an abundant number, since it is smaller than the sum of its proper divisors (2765821212).

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

1137154788 is a wasteful number, since it uses less digits than its factorization.

1137154788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2452 (or 2441 counting only the distinct ones).

The product of its digits is 188160, while the sum is 45.

The square root of 1137154788 is about 33721.7257565505. The cubic root of 1137154788 is about 1043.7741287022.

The spelling of 1137154788 in words is "one billion, one hundred thirty-seven million, one hundred fifty-four thousand, seven hundred eighty-eight".