135331719 has 16 divisors (see below), whose sum is σ = 187336800. Its totient is φ = 86796416.

The previous prime is 135331717. The next prime is 135331723. The reversal of 135331719 is 917133531.

135331719 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 135331719 - 2¹ = 135331717 is a prime.

It is a super-2 number, since 2×135331719² = 36629348334989922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 135331719.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135331717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22837 + ... + 28145.

It is an arithmetic number, because the mean of its divisors is an integer number (11708550).

Almost surely, 2^135331719 is an apocalyptic number.

135331719 is a deficient number, since it is larger than the sum of its proper divisors (52005081).

135331719 is a wasteful number, since it uses less digits than its factorization.

135331719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5634.

The product of its digits is 8505, while the sum is 33.

The square root of 135331719 is about 11633.2161932975. The cubic root of 135331719 is about 513.4126118164.

The spelling of 135331719 in words is "one hundred thirty-five million, three hundred thirty-one thousand, seven hundred nineteen".