136144374357556 has 24 divisors (see below), whose sum is σ = 252268391410056. Its totient is φ = 64067718850560.

The previous prime is 136144374357491. The next prime is 136144374357557. The reversal of 136144374357556 is 655753473441631.

136144374357556 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 39713741949456 + 96430632408100 = 6301884^2 + 9819910^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136144374357557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17196030 + ... + 23832586.

It is an arithmetic number, because the mean of its divisors is an integer number (10511182975419).

Almost surely, 2^{136144374357556} is an apocalyptic number.

It is an amenable number.

136144374357556 is a deficient number, since it is larger than the sum of its proper divisors (116124017052500).

136144374357556 is a wasteful number, since it uses less digits than its factorization.

136144374357556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6938259 (or 6938257 counting only the distinct ones).

The product of its digits is 381024000, while the sum is 64.

The spelling of 136144374357556 in words is "one hundred thirty-six trillion, one hundred forty-four billion, three hundred seventy-four million, three hundred fifty-seven thousand, five hundred fifty-six".