13806142090 has 32 divisors (see below), whose sum is σ = 26771426640. Its totient is φ = 5095985664.

The previous prime is 13806142079. The next prime is 13806142099. The reversal of 13806142090 is 9024160831.

It can be written as a sum of positive squares in 8 ways, for example, as 11087458209 + 2718683881 = 105297^2 + 52141^2 .

It is not an unprimeable number, because it can be changed into a prime (13806142099) 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, 424902 + ... + 456238.

Almost surely, 2^13806142090 is an apocalyptic number.

13806142090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13806142090 is a deficient number, since it is larger than the sum of its proper divisors (12965284550).

13806142090 is a wasteful number, since it uses less digits than its factorization.

13806142090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34746.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 13806142090 in words is "thirteen billion, eight hundred six million, one hundred forty-two thousand, ninety".