1137934980 has 576 divisors, whose sum is σ = 4602544128. Its totient is φ = 229547520.

The previous prime is 1137934979. The next prime is 1137934981. The reversal of 1137934980 is 894397311.

It is an interprime number because it is at equal distance from previous prime (1137934979) and next prime (1137934981).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1137934981) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 13710019 + ... + 13710101.

It is an arithmetic number, because the mean of its divisors is an integer number (7990528).

Almost surely, 2^1137934980 is an apocalyptic number.

1137934980 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 1137934980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2301272064).

1137934980 is an abundant number, since it is smaller than the sum of its proper divisors (3464609148).

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

1137934980 is a wasteful number, since it uses less digits than its factorization.

1137934980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 1137934980 is about 33733.2918642696. The cubic root of 1137934980 is about 1044.0127822454.

The spelling of 1137934980 in words is "one billion, one hundred thirty-seven million, nine hundred thirty-four thousand, nine hundred eighty".