135076251 has 4 divisors (see below), whose sum is σ = 180101672. Its totient is φ = 90050832.

The previous prime is 135076243. The next prime is 135076267. The reversal of 135076251 is 152670531.

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

It is not a de Polignac number, because 135076251 - 2³ = 135076243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135076211) 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, 22512706 + ... + 22512711.

It is an arithmetic number, because the mean of its divisors is an integer number (45025418).

Almost surely, 2^135076251 is an apocalyptic number.

135076251 is a deficient number, since it is larger than the sum of its proper divisors (45025421).

135076251 is an equidigital number, since it uses as much as digits as its factorization.

135076251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45025420.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 135076251 is about 11622.2308960027. The cubic root of 135076251 is about 513.0893490660.

The spelling of 135076251 in words is "one hundred thirty-five million, seventy-six thousand, two hundred fifty-one".