137461501489 has 4 divisors (see below), whose sum is σ = 148035463156. Its totient is φ = 126887539824.

The previous prime is 137461501481. The next prime is 137461501493. The reversal of 137461501489 is 984105164731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 984105164731 = 13 ⋅75700397287.

It can be written as a sum of positive squares in 2 ways, for example, as 78171686464 + 59289815025 = 279592^2 + 243495^2 .

It is a cyclic number.

It is not a de Polignac number, because 137461501489 - 2³ = 137461501481 is a prime.

It is a super-2 number, since 2×137461501489² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137461501481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5286980814 + ... + 5286980839.

It is an arithmetic number, because the mean of its divisors is an integer number (37008865789).

Almost surely, 2^137461501489 is an apocalyptic number.

It is an amenable number.

137461501489 is a deficient number, since it is larger than the sum of its proper divisors (10573961667).

137461501489 is a wasteful number, since it uses less digits than its factorization.

137461501489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10573961666.

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 137461501489 in words is "one hundred thirty-seven billion, four hundred sixty-one million, five hundred one thousand, four hundred eighty-nine".