135934619 has 4 divisors (see below), whose sum is σ = 137205144. Its totient is φ = 134664096.

The previous prime is 135934583. The next prime is 135934621. The reversal of 135934619 is 916439531.

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 135934619 - 2²⁰ = 134886043 is a prime.

It is a super-2 number, since 2×135934619² = 36956441285350322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135934649) 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, 635102 + ... + 635315.

It is an arithmetic number, because the mean of its divisors is an integer number (34301286).

Almost surely, 2^135934619 is an apocalyptic number.

135934619 is a deficient number, since it is larger than the sum of its proper divisors (1270525).

135934619 is a wasteful number, since it uses less digits than its factorization.

135934619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270524.

The product of its digits is 87480, while the sum is 41.

The square root of 135934619 is about 11659.1002654579. The cubic root of 135934619 is about 514.1738966078.

The spelling of 135934619 in words is "one hundred thirty-five million, nine hundred thirty-four thousand, six hundred nineteen".