422139141 has 16 divisors (see below), whose sum is σ = 625710400. Its totient is φ = 281282544.

The previous prime is 422139119. The next prime is 422139143. The reversal of 422139141 is 141931224.

It is a happy number.

It is not a de Polignac number, because 422139141 - 2⁶ = 422139077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422139143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91410 + ... + 95916.

It is an arithmetic number, because the mean of its divisors is an integer number (39106900).

Almost surely, 2^422139141 is an apocalyptic number.

It is an amenable number.

422139141 is a deficient number, since it is larger than the sum of its proper divisors (203571259).

422139141 is a wasteful number, since it uses less digits than its factorization.

422139141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7985 (or 7979 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 422139141 is about 20546.0249440129. The cubic root of 422139141 is about 750.1564953433.

The spelling of 422139141 in words is "four hundred twenty-two million, one hundred thirty-nine thousand, one hundred forty-one".