137501263889 has 4 divisors (see below), whose sum is σ = 150001378800. Its totient is φ = 125001148980.

The previous prime is 137501263853. The next prime is 137501263901. The reversal of 137501263889 is 988362105731.

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.

It is a cyclic number.

It is not a de Polignac number, because 137501263889 - 2¹⁶ = 137501198353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 137501263889.

It is not an unprimeable number, because it can be changed into a prime (137501263589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6250057439 + ... + 6250057460.

It is an arithmetic number, because the mean of its divisors is an integer number (37500344700).

Almost surely, 2^137501263889 is an apocalyptic number.

It is an amenable number.

137501263889 is a deficient number, since it is larger than the sum of its proper divisors (12500114911).

137501263889 is a wasteful number, since it uses less digits than its factorization.

137501263889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12500114910.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 137501263889 in words is "one hundred thirty-seven billion, five hundred one million, two hundred sixty-three thousand, eight hundred eighty-nine".