136248855 has 16 divisors (see below), whose sum is σ = 221253504. Its totient is φ = 71580960.

The previous prime is 136248841. The next prime is 136248869. The reversal of 136248855 is 558842631.

It is an interprime number because it is at equal distance from previous prime (136248841) and next prime (136248869).

It is not a de Polignac number, because 136248855 - 2⁵ = 136248823 is a prime.

It is a super-2 number, since 2×136248855² = 37127500977622050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66781 + ... + 68790.

It is an arithmetic number, because the mean of its divisors is an integer number (13828344).

Almost surely, 2^136248855 is an apocalyptic number.

136248855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

136248855 is a deficient number, since it is larger than the sum of its proper divisors (85004649).

136248855 is a wasteful number, since it uses less digits than its factorization.

136248855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135646.

The product of its digits is 230400, while the sum is 42.

The square root of 136248855 is about 11672.5684834144. The cubic root of 136248855 is about 514.5697918528.

The spelling of 136248855 in words is "one hundred thirty-six million, two hundred forty-eight thousand, eight hundred fifty-five".