281379590142 has 16 divisors (see below), whose sum is σ = 643153348992. Its totient is φ = 80394168600.

The previous prime is 281379590131. The next prime is 281379590159. The reversal of 281379590142 is 241095973182.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3349756984 + ... + 3349757067.

It is an arithmetic number, because the mean of its divisors is an integer number (40197084312).

Almost surely, 2^281379590142 is an apocalyptic number.

281379590142 is an abundant number, since it is smaller than the sum of its proper divisors (361773758850).

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

281379590142 is a wasteful number, since it uses less digits than its factorization.

281379590142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6699514063.

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 281379590142 in words is "two hundred eighty-one billion, three hundred seventy-nine million, five hundred ninety thousand, one hundred forty-two".