137461501487 has 4 divisors (see below), whose sum is σ = 138173737440. Its totient is φ = 136749265536.

The previous prime is 137461501481. The next prime is 137461501493. The reversal of 137461501487 is 784105164731.

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

It is an interprime number because it is at equal distance from previous prime (137461501481) and next prime (137461501493).

It is a cyclic number.

It is not a de Polignac number, because 137461501487 - 2¹² = 137461497391 is a prime.

It is a super-2 number, since 2×137461501487² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356117687 + ... + 356118072.

It is an arithmetic number, because the mean of its divisors is an integer number (34543434360).

Almost surely, 2^137461501487 is an apocalyptic number.

137461501487 is a deficient number, since it is larger than the sum of its proper divisors (712235953).

137461501487 is an equidigital number, since it uses as much as digits as its factorization.

137461501487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712235952.

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 137461501487 in words is "one hundred thirty-seven billion, four hundred sixty-one million, five hundred one thousand, four hundred eighty-seven".