1137943641 has 8 divisors (see below), whose sum is σ = 1517975424. Its totient is φ = 758270480.

The previous prime is 1137943627. The next prime is 1137943711. The reversal of 1137943641 is 1463497311.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1137943641 - 2⁶ = 1137943577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1137943641.

It is not an unprimeable number, because it can be changed into a prime (1137943601) 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, 82161 + ... + 95006.

It is an arithmetic number, because the mean of its divisors is an integer number (189746928).

Almost surely, 2^1137943641 is an apocalyptic number.

It is an amenable number.

1137943641 is a deficient number, since it is larger than the sum of its proper divisors (380031783).

1137943641 is a wasteful number, since it uses less digits than its factorization.

1137943641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179311.

The product of its digits is 54432, while the sum is 39.

The square root of 1137943641 is about 33733.4202386891. The cubic root of 1137943641 is about 1044.0154309532.

The spelling of 1137943641 in words is "one billion, one hundred thirty-seven million, nine hundred forty-three thousand, six hundred forty-one".