1137892428 has 24 divisors (see below), whose sum is σ = 2950091760. Its totient is φ = 379297440.

The previous prime is 1137892421. The next prime is 1137892447. The reversal of 1137892428 is 8242987311.

It is a happy number.

1137892428 is a `hidden beast` number, since 1 + 137 + 8 + 92 + 428 = 666.

It is not an unprimeable number, because it can be changed into a prime (1137892421) 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, 5267913 + ... + 5268128.

It is an arithmetic number, because the mean of its divisors is an integer number (122920490).

Almost surely, 2^1137892428 is an apocalyptic number.

1137892428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1137892428 is an abundant number, since it is smaller than the sum of its proper divisors (1812199332).

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

1137892428 is a wasteful number, since it uses less digits than its factorization.

1137892428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10536054 (or 10536046 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 1137892428 is about 33732.6611461355. The cubic root of 1137892428 is about 1043.9997687937. Note that the first 3 decimals are identical.

The spelling of 1137892428 in words is "one billion, one hundred thirty-seven million, eight hundred ninety-two thousand, four hundred twenty-eight".