1137854820 has 48 divisors (see below), whose sum is σ = 3260093760. Its totient is φ = 296370816.

The previous prime is 1137854813. The next prime is 1137854833. The reversal of 1137854820 is 284587311.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217935 + ... + 223094.

It is an arithmetic number, because the mean of its divisors is an integer number (67918620).

Almost surely, 2^1137854820 is an apocalyptic number.

1137854820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1137854820 is an abundant number, since it is smaller than the sum of its proper divisors (2122238940).

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

1137854820 is a wasteful number, since it uses less digits than its factorization.

1137854820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441084 (or 441082 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 1137854820 is about 33732.1036995916. The cubic root of 1137854820 is about 1043.9882670692.

The spelling of 1137854820 in words is "one billion, one hundred thirty-seven million, eight hundred fifty-four thousand, eight hundred twenty".