135020369 has 4 divisors (see below), whose sum is σ = 147294960. Its totient is φ = 122745780.

The previous prime is 135020351. The next prime is 135020381. The reversal of 135020369 is 963020531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135020369 - 2⁸ = 135020113 is a prime.

It is a super-2 number, since 2×135020369² = 36461000089792322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135020269) 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, 6137279 + ... + 6137300.

It is an arithmetic number, because the mean of its divisors is an integer number (36823740).

Almost surely, 2^135020369 is an apocalyptic number.

It is an amenable number.

135020369 is a deficient number, since it is larger than the sum of its proper divisors (12274591).

135020369 is a wasteful number, since it uses less digits than its factorization.

135020369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12274590.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 135020369 is about 11619.8265477588. The cubic root of 135020369 is about 513.0185830759.

The spelling of 135020369 in words is "one hundred thirty-five million, twenty thousand, three hundred sixty-nine".