142261788140 has 24 divisors (see below), whose sum is σ = 308386845312. Its totient is φ = 55069079040.

The previous prime is 142261788131. The next prime is 142261788161. The reversal of 142261788140 is 41887162241.

It is a junction number, because it is equal to n+sod(n) for n = 142261788091 and 142261788100.

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, 114726629 + ... + 114727868.

It is an arithmetic number, because the mean of its divisors is an integer number (12849451888).

Almost surely, 2^142261788140 is an apocalyptic number.

142261788140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142261788140 is an abundant number, since it is smaller than the sum of its proper divisors (166125057172).

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

142261788140 is a wasteful number, since it uses less digits than its factorization.

142261788140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229454537 (or 229454535 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 44.

The spelling of 142261788140 in words is "one hundred forty-two billion, two hundred sixty-one million, seven hundred eighty-eight thousand, one hundred forty".