135147651 has 4 divisors (see below), whose sum is σ = 180196872. Its totient is φ = 90098432.

The previous prime is 135147647. The next prime is 135147659. The reversal of 135147651 is 156741531.

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

It is a cyclic number.

It is not a de Polignac number, because 135147651 - 2² = 135147647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135147659) 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, 22524606 + ... + 22524611.

It is an arithmetic number, because the mean of its divisors is an integer number (45049218).

Almost surely, 2^135147651 is an apocalyptic number.

135147651 is a deficient number, since it is larger than the sum of its proper divisors (45049221).

135147651 is an equidigital number, since it uses as much as digits as its factorization.

135147651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45049220.

The product of its digits is 12600, while the sum is 33.

The square root of 135147651 is about 11625.3021896207. The cubic root of 135147651 is about 513.1797378310.

The spelling of 135147651 in words is "one hundred thirty-five million, one hundred forty-seven thousand, six hundred fifty-one".