13401143146 has 32 divisors (see below), whose sum is σ = 21907184832. Its totient is φ = 6122568960.

The previous prime is 13401143143. The next prime is 13401143149. The reversal of 13401143146 is 64134110431.

It is an interprime number because it is at equal distance from previous prime (13401143143) and next prime (13401143149).

It is not an unprimeable number, because it can be changed into a prime (13401143141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 576081 + ... + 598891.

It is an arithmetic number, because the mean of its divisors is an integer number (684599526).

Almost surely, 2^13401143146 is an apocalyptic number.

13401143146 is a deficient number, since it is larger than the sum of its proper divisors (8506041686).

13401143146 is a wasteful number, since it uses less digits than its factorization.

13401143146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23334.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 13401143146 its reverse (64134110431), we get a palindrome (77535253577).

The spelling of 13401143146 in words is "thirteen billion, four hundred one million, one hundred forty-three thousand, one hundred forty-six".