13404265394 has 8 divisors (see below), whose sum is σ = 21653044140. Its totient is φ = 6186584016.

The previous prime is 13404265387. The next prime is 13404265409. The reversal of 13404265394 is 49356240431.

It can be written as a sum of positive squares in 2 ways, for example, as 13396905025 + 7360369 = 115745^2 + 2713^2 .

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

It is a super-3 number, since 3×13404265394³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257774309 + ... + 257774360.

Almost surely, 2^13404265394 is an apocalyptic number.

13404265394 is a deficient number, since it is larger than the sum of its proper divisors (8248778746).

13404265394 is a wasteful number, since it uses less digits than its factorization.

13404265394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515548684.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 13404265394 in words is "thirteen billion, four hundred four million, two hundred sixty-five thousand, three hundred ninety-four".