135721614 has 32 divisors (see below), whose sum is σ = 312030720. Its totient is φ = 38551392.

The previous prime is 135721613. The next prime is 135721637. The reversal of 135721614 is 416127531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135721613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2074 + ... + 16605.

It is an arithmetic number, because the mean of its divisors is an integer number (9750960).

Almost surely, 2^135721614 is an apocalyptic number.

135721614 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

135721614 is an abundant number, since it is smaller than the sum of its proper divisors (176309106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135721614 is a wasteful number, since it uses less digits than its factorization.

135721614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18864.

The product of its digits is 5040, while the sum is 30.

The square root of 135721614 is about 11649.9619741869. The cubic root of 135721614 is about 513.9051917774.

The spelling of 135721614 in words is "one hundred thirty-five million, seven hundred twenty-one thousand, six hundred fourteen".