135007951 has 4 divisors (see below), whose sum is σ = 145393192. Its totient is φ = 124622712.

The previous prime is 135007937. The next prime is 135007967. The reversal of 135007951 is 159700531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 159700531 = 5227 ⋅30553.

It is a cyclic number.

It is not a de Polignac number, because 135007951 - 2¹³ = 134999759 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 (135007921) 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, 5192601 + ... + 5192626.

It is an arithmetic number, because the mean of its divisors is an integer number (36348298).

Almost surely, 2^135007951 is an apocalyptic number.

135007951 is a deficient number, since it is larger than the sum of its proper divisors (10385241).

135007951 is a wasteful number, since it uses less digits than its factorization.

135007951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10385240.

The product of its (nonzero) digits is 4725, while the sum is 31.

The square root of 135007951 is about 11619.2921901465. The cubic root of 135007951 is about 513.0028549303.

The spelling of 135007951 in words is "one hundred thirty-five million, seven thousand, nine hundred fifty-one".