1137523990 has 16 divisors (see below), whose sum is σ = 2078104752. Its totient is φ = 448218144.

The previous prime is 1137523979. The next prime is 1137523991. The reversal of 1137523990 is 993257311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1137523991) 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, 848229 + ... + 849568.

It is an arithmetic number, because the mean of its divisors is an integer number (129881547).

Almost surely, 2^1137523990 is an apocalyptic number.

1137523990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1137523990 is a deficient number, since it is larger than the sum of its proper divisors (940580762).

1137523990 is a wasteful number, since it uses less digits than its factorization.

1137523990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697871.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 1137523990 is about 33727.1995576271. The cubic root of 1137523990 is about 1043.8870777929.

The spelling of 1137523990 in words is "one billion, one hundred thirty-seven million, five hundred twenty-three thousand, nine hundred ninety".