1137982451 has 4 divisors (see below), whose sum is σ = 1159453872. Its totient is φ = 1116511032.

The previous prime is 1137982427. The next prime is 1137982463. The reversal of 1137982451 is 1542897311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1137982451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1137982399 and 1137982408.

It is not an unprimeable number, because it can be changed into a prime (1137982411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10735631 + ... + 10735736.

It is an arithmetic number, because the mean of its divisors is an integer number (289863468).

Almost surely, 2^1137982451 is an apocalyptic number.

1137982451 is a deficient number, since it is larger than the sum of its proper divisors (21471421).

1137982451 is an equidigital number, since it uses as much as digits as its factorization.

1137982451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21471420.

The product of its digits is 60480, while the sum is 41.

The square root of 1137982451 is about 33733.9954793381. The cubic root of 1137982451 is about 1044.0272996658.

The spelling of 1137982451 in words is "one billion, one hundred thirty-seven million, nine hundred eighty-two thousand, four hundred fifty-one".