136225653487 has 12 divisors (see below), whose sum is σ = 171126441808. Its totient is φ = 106149859200.

The previous prime is 136225653469. The next prime is 136225653491. The reversal of 136225653487 is 784356522631.

It is a de Polignac number, because none of the positive numbers 2^k-136225653487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136225653407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80415714 + ... + 80417407.

Almost surely, 2^136225653487 is an apocalyptic number.

136225653487 is a deficient number, since it is larger than the sum of its proper divisors (34900788321).

136225653487 is a wasteful number, since it uses less digits than its factorization.

136225653487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160833150 (or 160833139 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 52.

The spelling of 136225653487 in words is "one hundred thirty-six billion, two hundred twenty-five million, six hundred fifty-three thousand, four hundred eighty-seven".