420141132 has 36 divisors (see below), whose sum is σ = 1086725640. Its totient is φ = 136789632.

The previous prime is 420141097. The next prime is 420141133. The reversal of 420141132 is 231141024.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (420141133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134157 + ... + 137252.

Almost surely, 2^420141132 is an apocalyptic number.

It is an amenable number.

420141132 is an abundant number, since it is smaller than the sum of its proper divisors (666584508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420141132 is a wasteful number, since it uses less digits than its factorization.

420141132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271462 (or 271457 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 420141132 is about 20497.3445109360. The cubic root of 420141132 is about 748.9711118310.

Adding to 420141132 its reverse (231141024), we get a palindrome (651282156).

The spelling of 420141132 in words is "four hundred twenty million, one hundred forty-one thousand, one hundred thirty-two".