13958117090 has 8 divisors (see below), whose sum is σ = 25124610780. Its totient is φ = 5583246832.

The previous prime is 13958117083. The next prime is 13958117093. The reversal of 13958117090 is 9071185931.

It can be written as a sum of positive squares in 2 ways, for example, as 13878960481 + 79156609 = 117809^2 + 8897^2 .

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 (13958117093) 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, 697905845 + ... + 697905864.

Almost surely, 2^13958117090 is an apocalyptic number.

13958117090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13958117090 is a deficient number, since it is larger than the sum of its proper divisors (11166493690).

13958117090 is a wasteful number, since it uses less digits than its factorization.

13958117090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395811716.

The product of its (nonzero) digits is 68040, while the sum is 44.

The spelling of 13958117090 in words is "thirteen billion, nine hundred fifty-eight million, one hundred seventeen thousand, ninety".