135967913 has 8 divisors (see below), whose sum is σ = 137275776. Its totient is φ = 134664400.

The previous prime is 135967901. The next prime is 135967961. The reversal of 135967913 is 319769531.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135967913 is a prime.

It is a super-3 number, since 3×135967913³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135967813) 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, 122720 + ... + 123822.

It is an arithmetic number, because the mean of its divisors is an integer number (17159472).

Almost surely, 2^135967913 is an apocalyptic number.

It is an amenable number.

135967913 is a deficient number, since it is larger than the sum of its proper divisors (1307863).

135967913 is a wasteful number, since it uses less digits than its factorization.

135967913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2175.

The product of its digits is 153090, while the sum is 44.

The square root of 135967913 is about 11660.5279897610. The cubic root of 135967913 is about 514.2158714641.

The spelling of 135967913 in words is "one hundred thirty-five million, nine hundred sixty-seven thousand, nine hundred thirteen".