13550022142 has 16 divisors (see below), whose sum is σ = 22021105392. Its totient is φ = 6228190080.

The previous prime is 13550022077. The next prime is 13550022149. The reversal of 13550022142 is 24122005531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13550022149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4632609 + ... + 4635532.

It is an arithmetic number, because the mean of its divisors is an integer number (1376319087).

Almost surely, 2^13550022142 is an apocalyptic number.

13550022142 is a deficient number, since it is larger than the sum of its proper divisors (8471083250).

13550022142 is a wasteful number, since it uses less digits than its factorization.

13550022142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9268203.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 13550022142 its reverse (24122005531), we get a palindrome (37672027673).

The spelling of 13550022142 in words is "thirteen billion, five hundred fifty million, twenty-two thousand, one hundred forty-two".