13853131378 has 8 divisors (see below), whose sum is σ = 21262945968. Its totient is φ = 6765482724.

The previous prime is 13853131367. The next prime is 13853131387. The reversal of 13853131378 is 87313135831.

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

It is a super-2 number, since 2×13853131378² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

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, 80541376 + ... + 80541547.

It is an arithmetic number, because the mean of its divisors is an integer number (2657868246).

Almost surely, 2^13853131378 is an apocalyptic number.

13853131378 is a deficient number, since it is larger than the sum of its proper divisors (7409814590).

13853131378 is a wasteful number, since it uses less digits than its factorization.

13853131378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161082968.

The product of its digits is 181440, while the sum is 43.

The spelling of 13853131378 in words is "thirteen billion, eight hundred fifty-three million, one hundred thirty-one thousand, three hundred seventy-eight".