135151751 has 24 divisors (see below), whose sum is σ = 168428160. Its totient is φ = 107745792.

The previous prime is 135151747. The next prime is 135151777. The reversal of 135151751 is 157151531.

It is not a de Polignac number, because 135151751 - 2² = 135151747 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135151721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73226 + ... + 75048.

It is an arithmetic number, because the mean of its divisors is an integer number (7017840).

Almost surely, 2^135151751 is an apocalyptic number.

135151751 is a deficient number, since it is larger than the sum of its proper divisors (33276409).

135151751 is a wasteful number, since it uses less digits than its factorization.

135151751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943 (or 1936 counting only the distinct ones).

The product of its digits is 2625, while the sum is 29.

The square root of 135151751 is about 11625.4785277854. The cubic root of 135151751 is about 513.1849272556.

The spelling of 135151751 in words is "one hundred thirty-five million, one hundred fifty-one thousand, seven hundred fifty-one".