420193141 has 4 divisors (see below), whose sum is σ = 438462432. Its totient is φ = 401923852.

The previous prime is 420193139. The next prime is 420193153. The reversal of 420193141 is 141391024.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 420193141 - 2¹ = 420193139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420193121) 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, 9134611 + ... + 9134656.

It is an arithmetic number, because the mean of its divisors is an integer number (109615608).

Almost surely, 2^420193141 is an apocalyptic number.

It is an amenable number.

420193141 is a deficient number, since it is larger than the sum of its proper divisors (18269291).

420193141 is a wasteful number, since it uses less digits than its factorization.

420193141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18269290.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 420193141 is about 20498.6131482108. The cubic root of 420193141 is about 749.0020154396.

The spelling of 420193141 in words is "four hundred twenty million, one hundred ninety-three thousand, one hundred forty-one".