135514819 has 4 divisors (see below), whose sum is σ = 147834360. Its totient is φ = 123195280.

The previous prime is 135514817. The next prime is 135514843. The reversal of 135514819 is 918415531.

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 135514819 - 2¹ = 135514817 is a prime.

It is a super-2 number, since 2×135514819² = 36728532337205522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135514817) 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, 6159754 + ... + 6159775.

It is an arithmetic number, because the mean of its divisors is an integer number (36958590).

Almost surely, 2^135514819 is an apocalyptic number.

135514819 is a deficient number, since it is larger than the sum of its proper divisors (12319541).

135514819 is a wasteful number, since it uses less digits than its factorization.

135514819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12319540.

The product of its digits is 21600, while the sum is 37.

The square root of 135514819 is about 11641.0832399738. The cubic root of 135514819 is about 513.6440517330.

The spelling of 135514819 in words is "one hundred thirty-five million, five hundred fourteen thousand, eight hundred nineteen".