1137523890 has 32 divisors (see below), whose sum is σ = 2890650240. Its totient is φ = 285496064.

The previous prime is 1137523883. The next prime is 1137523909. The reversal of 1137523890 is 983257311.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1114710 + ... + 1115729.

It is an arithmetic number, because the mean of its divisors is an integer number (90332820).

Almost surely, 2^1137523890 is an apocalyptic number.

1137523890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1137523890 is an abundant number, since it is smaller than the sum of its proper divisors (1753126350).

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

1137523890 is a wasteful number, since it uses less digits than its factorization.

1137523890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230466.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 1137523890 is about 33727.1980751440. The cubic root of 1137523890 is about 1043.8870472035.

The spelling of 1137523890 in words is "one billion, one hundred thirty-seven million, five hundred twenty-three thousand, eight hundred ninety".