1137654648 has 96 divisors (see below), whose sum is σ = 3326778000. Its totient is φ = 349138944.

The previous prime is 1137654619. The next prime is 1137654649. The reversal of 1137654648 is 8464567311.

1137654648 is a `hidden beast` number, since 113 + 76 + 5 + 464 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1137654649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 418911 + ... + 421617.

Almost surely, 2^1137654648 is an apocalyptic number.

1137654648 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 1137654648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1663389000).

1137654648 is an abundant number, since it is smaller than the sum of its proper divisors (2189123352).

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

1137654648 is a wasteful number, since it uses less digits than its factorization.

1137654648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3181 (or 3174 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 1137654648 is about 33729.1364846478. The cubic root of 1137654648 is about 1043.9270438295.

The spelling of 1137654648 in words is "one billion, one hundred thirty-seven million, six hundred fifty-four thousand, six hundred forty-eight".