13534194391 has 8 divisors (see below), whose sum is σ = 13643207424. Its totient is φ = 13425267960.

The previous prime is 13534194383. The next prime is 13534194407. The reversal of 13534194391 is 19349143531.

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

It is a cyclic number.

It is not a de Polignac number, because 13534194391 - 2³ = 13534194383 is a prime.

It is a super-3 number, since 3×13534194391³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13534194691) 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, 312820 + ... + 353446.

It is an arithmetic number, because the mean of its divisors is an integer number (1705400928).

Almost surely, 2^13534194391 is an apocalyptic number.

13534194391 is a deficient number, since it is larger than the sum of its proper divisors (109013033).

13534194391 is a wasteful number, since it uses less digits than its factorization.

13534194391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43301.

The product of its digits is 174960, while the sum is 43.

The spelling of 13534194391 in words is "thirteen billion, five hundred thirty-four million, one hundred ninety-four thousand, three hundred ninety-one".