141415791 has 8 divisors (see below), whose sum is σ = 205695744. Its totient is φ = 85706520.

The previous prime is 141415763. The next prime is 141415811. The reversal of 141415791 is 197514141.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 141415791 - 2⁵ = 141415759 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 4285327 = 141415791 / (1 + 4 + 1 + 4 + 1 + 5 + 7 + 9 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141415711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2142631 + ... + 2142696.

It is an arithmetic number, because the mean of its divisors is an integer number (25711968).

Almost surely, 2^141415791 is an apocalyptic number.

141415791 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

141415791 is a deficient number, since it is larger than the sum of its proper divisors (64279953).

141415791 is a wasteful number, since it uses less digits than its factorization.

141415791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4285341.

The product of its digits is 5040, while the sum is 33.

The square root of 141415791 is about 11891.8371583200. The cubic root of 141415791 is about 520.9938966992.

It can be divided in two parts, 1414 and 15791, that added together give a triangular number (17205 = T₁₈₅).

The spelling of 141415791 in words is "one hundred forty-one million, four hundred fifteen thousand, seven hundred ninety-one".