136882481 has 4 divisors (see below), whose sum is σ = 136979700. Its totient is φ = 136785264.

The previous prime is 136882469. The next prime is 136882489. The reversal of 136882481 is 184288631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24840256 + 112042225 = 4984^2 + 10585^2 .

It is a cyclic number.

It is not a de Polignac number, because 136882481 - 2¹⁴ = 136866097 is a prime.

It is a super-2 number, since 2×136882481² = 37473627209430722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136882489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46466 + ... + 49323.

It is an arithmetic number, because the mean of its divisors is an integer number (34244925).

Almost surely, 2^136882481 is an apocalyptic number.

It is an amenable number.

136882481 is a deficient number, since it is larger than the sum of its proper divisors (97219).

136882481 is an equidigital number, since it uses as much as digits as its factorization.

136882481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97218.

The product of its digits is 73728, while the sum is 41.

The square root of 136882481 is about 11699.6786708012. The cubic root of 136882481 is about 515.3662283351.

The spelling of 136882481 in words is "one hundred thirty-six million, eight hundred eighty-two thousand, four hundred eighty-one".