135300551 has 4 divisors (see below), whose sum is σ = 136056600. Its totient is φ = 134544504.

The previous prime is 135300479. The next prime is 135300619. The reversal of 135300551 is 155003531.

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 135300551 - 2²² = 131106247 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 (135306551) 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, 377756 + ... + 378113.

It is an arithmetic number, because the mean of its divisors is an integer number (34014150).

Almost surely, 2^135300551 is an apocalyptic number.

135300551 is a deficient number, since it is larger than the sum of its proper divisors (756049).

135300551 is an equidigital number, since it uses as much as digits as its factorization.

135300551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756048.

The product of its (nonzero) digits is 1125, while the sum is 23.

The square root of 135300551 is about 11631.8765038149. The cubic root of 135300551 is about 513.3731944178.

The spelling of 135300551 in words is "one hundred thirty-five million, three hundred thousand, five hundred fifty-one".