102140134044 has 48 divisors (see below), whose sum is σ = 259058556288. Its totient is φ = 31134011328.

The previous prime is 102140133989. The next prime is 102140134069. The reversal of 102140134044 is 440431041201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3042862 + ... + 3076245.

It is an arithmetic number, because the mean of its divisors is an integer number (5397053256).

Almost surely, 2^102140134044 is an apocalyptic number.

It is an amenable number.

102140134044 is an abundant number, since it is smaller than the sum of its proper divisors (156918422244).

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

102140134044 is a wasteful number, since it uses less digits than its factorization.

102140134044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6119234 (or 6119232 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 102140134044 its reverse (440431041201), we get a palindrome (542571175245).

The spelling of 102140134044 in words is "one hundred two billion, one hundred forty million, one hundred thirty-four thousand, forty-four".