1137529723 has 16 divisors (see below), whose sum is σ = 1257265152. Its totient is φ = 1020604000.

The previous prime is 1137529711. The next prime is 1137529747. The reversal of 1137529723 is 3279257311.

It is a cyclic number.

It is not a de Polignac number, because 1137529723 - 2¹³ = 1137521531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1137529763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273165 + ... + 277297.

It is an arithmetic number, because the mean of its divisors is an integer number (78579072).

Almost surely, 2^1137529723 is an apocalyptic number.

1137529723 is a deficient number, since it is larger than the sum of its proper divisors (119735429).

1137529723 is a wasteful number, since it uses less digits than its factorization.

1137529723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4466.

The product of its digits is 79380, while the sum is 40.

The square root of 1137529723 is about 33727.2845482704. The cubic root of 1137529723 is about 1043.8888314833. Note that the first 4 decimals are identical.

The spelling of 1137529723 in words is "one billion, one hundred thirty-seven million, five hundred twenty-nine thousand, seven hundred twenty-three".