1137306949 has 4 divisors (see below), whose sum is σ = 1176524460. Its totient is φ = 1098089440.

The previous prime is 1137306917. The next prime is 1137307009. The reversal of 1137306949 is 9496037311.

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

It can be written as a sum of positive squares in 2 ways, for example, as 468722500 + 668584449 = 21650^2 + 25857^2 .

It is a cyclic number.

It is not a de Polignac number, because 1137306949 - 2⁵ = 1137306917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1137303949) 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, 19608712 + ... + 19608769.

It is an arithmetic number, because the mean of its divisors is an integer number (294131115).

Almost surely, 2^1137306949 is an apocalyptic number.

It is an amenable number.

1137306949 is a deficient number, since it is larger than the sum of its proper divisors (39217511).

1137306949 is an equidigital number, since it uses as much as digits as its factorization.

1137306949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39217510.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 1137306949 is about 33723.9818082029. The cubic root of 1137306949 is about 1043.8206819166.

The spelling of 1137306949 in words is "one billion, one hundred thirty-seven million, three hundred six thousand, nine hundred forty-nine".