142699539780 has 192 divisors, whose sum is σ = 519751733760. Its totient is φ = 31821465600.

The previous prime is 142699539769. The next prime is 142699539797. The reversal of 142699539780 is 87935996241.

142699539780 is a `hidden beast` number, since 1 + 4 + 2 + 6 + 99 + 539 + 7 + 8 + 0 = 666.

142699539780 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 305401 + ... + 615360.

It is an arithmetic number, because the mean of its divisors is an integer number (2707040280).

It is a 1-persistent number, because it is pandigital, but 2⋅142699539780 = 285399079560 is not.

Almost surely, 2^142699539780 is an apocalyptic number.

142699539780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142699539780 is an abundant number, since it is smaller than the sum of its proper divisors (377052193980).

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

142699539780 is a wasteful number, since it uses less digits than its factorization.

142699539780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920827 (or 920819 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 63.

The spelling of 142699539780 in words is "one hundred forty-two billion, six hundred ninety-nine million, five hundred thirty-nine thousand, seven hundred eighty".