141391992787 has 4 divisors (see below), whose sum is σ = 141409050640. Its totient is φ = 141374934936.

The previous prime is 141391992773. The next prime is 141391992803. The reversal of 141391992787 is 787299193141.

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 141391992787 - 2²³ = 141383604179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141391992887) 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, 8516487 + ... + 8533072.

It is an arithmetic number, because the mean of its divisors is an integer number (35352262660).

Almost surely, 2^141391992787 is an apocalyptic number.

141391992787 is a deficient number, since it is larger than the sum of its proper divisors (17057853).

141391992787 is an equidigital number, since it uses as much as digits as its factorization.

141391992787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17057852.

The product of its digits is 6858432, while the sum is 61.

The spelling of 141391992787 in words is "one hundred forty-one billion, three hundred ninety-one million, nine hundred ninety-two thousand, seven hundred eighty-seven".