137631049 has 4 divisors (see below), whose sum is σ = 137676564. Its totient is φ = 137585536.

The previous prime is 137631047. The next prime is 137631059. The reversal of 137631049 is 940136731.

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 97219600 + 40411449 = 9860^2 + 6357^2 .

It is a cyclic number.

It is not a de Polignac number, because 137631049 - 2¹ = 137631047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137631047) 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, 17872 + ... + 24385.

It is an arithmetic number, because the mean of its divisors is an integer number (34419141).

Almost surely, 2^137631049 is an apocalyptic number.

It is an amenable number.

137631049 is a deficient number, since it is larger than the sum of its proper divisors (45515).

137631049 is an equidigital number, since it uses as much as digits as its factorization.

137631049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45514.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 137631049 is about 11731.6260168827. The cubic root of 137631049 is about 516.3039805429.

The spelling of 137631049 in words is "one hundred thirty-seven million, six hundred thirty-one thousand, forty-nine".