137512501249 has 4 divisors (see below), whose sum is σ = 137539099440. Its totient is φ = 137485903060.

The previous prime is 137512501211. The next prime is 137512501277. The reversal of 137512501249 is 942105215731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 942105215731 = 311 ⋅3029277221.

It is a cyclic number.

It is not a de Polignac number, because 137512501249 - 2³⁷ = 73547777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137512501289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13291339 + ... + 13301680.

It is an arithmetic number, because the mean of its divisors is an integer number (34384774860).

Almost surely, 2^137512501249 is an apocalyptic number.

It is an amenable number.

137512501249 is a deficient number, since it is larger than the sum of its proper divisors (26598191).

137512501249 is an equidigital number, since it uses as much as digits as its factorization.

137512501249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26598190.

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 137512501249 in words is "one hundred thirty-seven billion, five hundred twelve million, five hundred one thousand, two hundred forty-nine".