142086155140 has 24 divisors (see below), whose sum is σ = 300558894552. Its totient is φ = 56419610880.

The previous prime is 142086155093. The next prime is 142086155143. The reversal of 142086155140 is 41551680241.

It can be written as a sum of positive squares in 4 ways, for example, as 35700590916 + 106385564224 = 188946^2 + 326168^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 142086155140.

It is not an unprimeable number, because it can be changed into a prime (142086155143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25925391 + ... + 25930870.

It is an arithmetic number, because the mean of its divisors is an integer number (12523287273).

Almost surely, 2^142086155140 is an apocalyptic number.

142086155140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142086155140 is an abundant number, since it is smaller than the sum of its proper divisors (158472739412).

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

142086155140 is a wasteful number, since it uses less digits than its factorization.

142086155140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51856407 (or 51856405 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

The spelling of 142086155140 in words is "one hundred forty-two billion, eighty-six million, one hundred fifty-five thousand, one hundred forty".