13191410440154 has 8 divisors (see below), whose sum is σ = 19797352145940. Its totient is φ = 6592293058176.

The previous prime is 13191410440123. The next prime is 13191410440157. The reversal of 13191410440154 is 45104401419131.

It can be written as a sum of positive squares in 2 ways, for example, as 12365807415025 + 825603025129 = 3516505^2 + 908627^2 .

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 (13191410440157) 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, 1706076119 + ... + 1706083850.

Almost surely, 2^{13191410440154} is an apocalyptic number.

13191410440154 is a deficient number, since it is larger than the sum of its proper divisors (6605941705786).

13191410440154 is a wasteful number, since it uses less digits than its factorization.

13191410440154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3412161904.

The product of its (nonzero) digits is 34560, while the sum is 38.

Adding to 13191410440154 its reverse (45104401419131), we get a palindrome (58295811859285).

The spelling of 13191410440154 in words is "thirteen trillion, one hundred ninety-one billion, four hundred ten million, four hundred forty thousand, one hundred fifty-four".