1137749541 has 8 divisors (see below), whose sum is σ = 1528580064. Its totient is φ = 752709360.

The previous prime is 1137749527. The next prime is 1137749563. The reversal of 1137749541 is 1459477311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1137749541 - 2⁶ = 1137749477 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1137749493 and 1137749502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1137709541) 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, 1447126 + ... + 1447911.

It is an arithmetic number, because the mean of its divisors is an integer number (191072508).

Almost surely, 2^1137749541 is an apocalyptic number.

It is an amenable number.

1137749541 is a deficient number, since it is larger than the sum of its proper divisors (390830523).

1137749541 is a wasteful number, since it uses less digits than its factorization.

1137749541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2895171.

The product of its digits is 105840, while the sum is 42.

The square root of 1137749541 is about 33730.5431471241. The cubic root of 1137749541 is about 1043.9560680490.

The spelling of 1137749541 in words is "one billion, one hundred thirty-seven million, seven hundred forty-nine thousand, five hundred forty-one".