136748113245 has 32 divisors (see below), whose sum is σ = 243133107840. Its totient is φ = 72924721920.

The previous prime is 136748113141. The next prime is 136748113247. The reversal of 136748113245 is 542311847631.

136748113245 is a `hidden beast` number, since 1 + 36 + 7 + 481 + 132 + 4 + 5 = 666.

It is not a de Polignac number, because 136748113245 - 2²⁶ = 136681004381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 136748113245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136748113247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1392565 + ... + 1487525.

It is an arithmetic number, because the mean of its divisors is an integer number (7597909620).

Almost surely, 2^136748113245 is an apocalyptic number.

136748113245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136748113245 is a deficient number, since it is larger than the sum of its proper divisors (106384994595).

136748113245 is a wasteful number, since it uses less digits than its factorization.

136748113245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105642 (or 105636 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The spelling of 136748113245 in words is "one hundred thirty-six billion, seven hundred forty-eight million, one hundred thirteen thousand, two hundred forty-five".