1137671440 has 40 divisors (see below), whose sum is σ = 2650241088. Its totient is φ = 454181760.

The previous prime is 1137671413. The next prime is 1137671441. The reversal of 1137671440 is 441767311.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 1137671396 and 1137671405.

It is not an unprimeable number, because it can be changed into a prime (1137671441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28245 + ... + 55435.

Almost surely, 2^1137671440 is an apocalyptic number.

1137671440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1137671440 is an abundant number, since it is smaller than the sum of its proper divisors (1512569648).

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

1137671440 is a wasteful number, since it uses less digits than its factorization.

1137671440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27727 (or 27721 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 1137671440 is about 33729.3854079792. The cubic root of 1137671440 is about 1043.9321799918.

The spelling of 1137671440 in words is "one billion, one hundred thirty-seven million, six hundred seventy-one thousand, four hundred forty".