142390003716 has 81 divisors (see below), whose sum is σ = 366282782229. Its totient is φ = 46639965600.

The previous prime is 142390003711. The next prime is 142390003727. The reversal of 142390003716 is 617300093241.

The square root of 142390003716 is 377346.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4630258116 + 137759745600 = 68046^2 + 371160^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (142390003711) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 138108121 + ... + 138109151.

Almost surely, 2^142390003716 is an apocalyptic number.

142390003716 is the 377346-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142390003716

142390003716 is an abundant number, since it is smaller than the sum of its proper divisors (223892778513).

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

142390003716 is an equidigital number, since it uses as much as digits as its factorization.

142390003716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2194 (or 1097 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

Multiplying 142390003716 by its sum of digits (36), we get a square (5126040133776 = 2264076²).

142390003716 divided by its sum of digits (36) gives a square (3955277881 = 62891²).

Adding to 142390003716 its reverse (617300093241), we get a palindrome (759690096957).

The spelling of 142390003716 in words is "one hundred forty-two billion, three hundred ninety million, three thousand, seven hundred sixteen".