141638562 has 72 divisors (see below), whose sum is σ = 336323988. Its totient is φ = 43056000.

The previous prime is 141638557. The next prime is 141638573. The reversal of 141638562 is 265836141.

It is a happy number.

141638562 is a `hidden beast` number, since 14 + 1 + 638 + 5 + 6 + 2 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 44635761 + 97002801 = 6681^2 + 9849^2 .

It is a super-2 number, since 2×141638562² = 40122964490855688, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 307012 + ... + 307472.

Almost surely, 2^141638562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 141638562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168161994).

141638562 is an abundant number, since it is smaller than the sum of its proper divisors (194685426).

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

141638562 is a wasteful number, since it uses less digits than its factorization.

141638562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596 (or 580 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 141638562 is about 11901.2000235270. The cubic root of 141638562 is about 521.2673254770.

The spelling of 141638562 in words is "one hundred forty-one million, six hundred thirty-eight thousand, five hundred sixty-two".