13900458890 has 8 divisors (see below), whose sum is σ = 25020826020. Its totient is φ = 5560183552.

The previous prime is 13900458889. The next prime is 13900458893. The reversal of 13900458890 is 9885400931.

It can be written as a sum of positive squares in 2 ways, for example, as 12568427881 + 1332031009 = 112109^2 + 36497^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13900458893) 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, 695022935 + ... + 695022954.

Almost surely, 2^13900458890 is an apocalyptic number.

13900458890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13900458890 is a deficient number, since it is larger than the sum of its proper divisors (11120367130).

13900458890 is a wasteful number, since it uses less digits than its factorization.

13900458890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390045896.

The product of its (nonzero) digits is 311040, while the sum is 47.

The spelling of 13900458890 in words is "thirteen billion, nine hundred million, four hundred fifty-eight thousand, eight hundred ninety".