135154515 has 8 divisors (see below), whose sum is σ = 216247248. Its totient is φ = 72082400.

The previous prime is 135154511. The next prime is 135154517. The reversal of 135154515 is 515451531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135154515 - 2² = 135154511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135154511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4505136 + ... + 4505165.

It is an arithmetic number, because the mean of its divisors is an integer number (27030906).

Almost surely, 2^135154515 is an apocalyptic number.

135154515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135154515 is a deficient number, since it is larger than the sum of its proper divisors (81092733).

135154515 is an equidigital number, since it uses as much as digits as its factorization.

135154515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9010309.

The product of its digits is 7500, while the sum is 30.

The square root of 135154515 is about 11625.5974040047. The cubic root of 135154515 is about 513.1884256280.

The spelling of 135154515 in words is "one hundred thirty-five million, one hundred fifty-four thousand, five hundred fifteen".