10402103142 has 48 divisors (see below), whose sum is σ = 23611730688. Its totient is φ = 3303366000.

The previous prime is 10402103111. The next prime is 10402103197. The reversal of 10402103142 is 24130120401.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53863 + ... + 153965.

It is an arithmetic number, because the mean of its divisors is an integer number (491911056).

Almost surely, 2^10402103142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10402103142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11805865344).

10402103142 is an abundant number, since it is smaller than the sum of its proper divisors (13209627546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10402103142 is a wasteful number, since it uses less digits than its factorization.

10402103142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100385 (or 100382 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 10402103142 its reverse (24130120401), we get a palindrome (34532223543).

The spelling of 10402103142 in words is "ten billion, four hundred two million, one hundred three thousand, one hundred forty-two".