4142390087 has 4 divisors (see below), whose sum is σ = 4518971016. Its totient is φ = 3765809160.

The previous prime is 4142390071. The next prime is 4142390107. The reversal of 4142390087 is 7800932414.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4142390087 - 2⁴ = 4142390071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4142390087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4142390027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188290448 + ... + 188290469.

It is an arithmetic number, because the mean of its divisors is an integer number (1129742754).

Almost surely, 2^4142390087 is an apocalyptic number.

4142390087 is a deficient number, since it is larger than the sum of its proper divisors (376580929).

4142390087 is a wasteful number, since it uses less digits than its factorization.

4142390087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376580928.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 4142390087 is about 64361.4021522216. The cubic root of 4142390087 is about 1606.0177144819.

The spelling of 4142390087 in words is "four billion, one hundred forty-two million, three hundred ninety thousand, eighty-seven".