136501351487 has 4 divisors (see below), whose sum is σ = 142436192880. Its totient is φ = 130566510096.

The previous prime is 136501351447. The next prime is 136501351507. The reversal of 136501351487 is 784153105631.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 136501351487 - 2³⁰ = 135427609663 is a prime.

It is a super-2 number, since 2×136501351487² (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 (136501351447) 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, 2967420662 + ... + 2967420707.

It is an arithmetic number, because the mean of its divisors is an integer number (35609048220).

Almost surely, 2^136501351487 is an apocalyptic number.

136501351487 is a deficient number, since it is larger than the sum of its proper divisors (5934841393).

136501351487 is an equidigital number, since it uses as much as digits as its factorization.

136501351487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5934841392.

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 136501351487 in words is "one hundred thirty-six billion, five hundred one million, three hundred fifty-one thousand, four hundred eighty-seven".