136888545 has 32 divisors (see below), whose sum is σ = 226646784. Its totient is φ = 70502400.

The previous prime is 136888523. The next prime is 136888553. The reversal of 136888545 is 545888631.

It is not a de Polignac number, because 136888545 - 2⁵ = 136888513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136888494 and 136888503.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62265 + ... + 64425.

It is an arithmetic number, because the mean of its divisors is an integer number (7082712).

Almost surely, 2^136888545 is an apocalyptic number.

136888545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136888545 is a deficient number, since it is larger than the sum of its proper divisors (89758239).

136888545 is a wasteful number, since it uses less digits than its factorization.

136888545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313.

The product of its digits is 921600, while the sum is 48.

The square root of 136888545 is about 11699.9378203476. The cubic root of 136888545 is about 515.3738385972.

The spelling of 136888545 in words is "one hundred thirty-six million, eight hundred eighty-eight thousand, five hundred forty-five".