135039751 has 48 divisors (see below), whose sum is σ = 181135360. Its totient is φ = 98366400.

The previous prime is 135039733. The next prime is 135039761. The reversal of 135039751 is 157930531.

It is not a de Polignac number, because 135039751 - 2⁵ = 135039719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135039761) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 971440 + ... + 971578.

Almost surely, 2^135039751 is an apocalyptic number.

135039751 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

135039751 is a deficient number, since it is larger than the sum of its proper divisors (46095609).

135039751 is a wasteful number, since it uses less digits than its factorization.

135039751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 14175, while the sum is 34.

The square root of 135039751 is about 11620.6605233954. The cubic root of 135039751 is about 513.0431296203.

The spelling of 135039751 in words is "one hundred thirty-five million, thirty-nine thousand, seven hundred fifty-one".