1137849554 has 4 divisors (see below), whose sum is σ = 1706774334. Its totient is φ = 568924776.

The previous prime is 1137849551. The next prime is 1137849569. The reversal of 1137849554 is 4559487311.

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

It can be written as a sum of positive squares in only one way, i.e., 779693929 + 358155625 = 27923^2 + 18925^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1137849499 and 1137849508.

It is not an unprimeable number, because it can be changed into a prime (1137849551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 284462387 + ... + 284462390.

Almost surely, 2^1137849554 is an apocalyptic number.

1137849554 is a deficient number, since it is larger than the sum of its proper divisors (568924780).

1137849554 is an equidigital number, since it uses as much as digits as its factorization.

1137849554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568924779.

The product of its digits is 604800, while the sum is 47.

The square root of 1137849554 is about 33732.0256432963. The cubic root of 1137849554 is about 1043.9866565384.

The spelling of 1137849554 in words is "one billion, one hundred thirty-seven million, eight hundred forty-nine thousand, five hundred fifty-four".