141540638 has 4 divisors (see below), whose sum is σ = 212310960. Its totient is φ = 70770318.

The previous prime is 141540631. The next prime is 141540667. The reversal of 141540638 is 836045141.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141540631) 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 as a sum of consecutive naturals, namely, 35385158 + ... + 35385161.

It is an arithmetic number, because the mean of its divisors is an integer number (53077740).

Almost surely, 2^141540638 is an apocalyptic number.

141540638 is a deficient number, since it is larger than the sum of its proper divisors (70770322).

141540638 is an equidigital number, since it uses as much as digits as its factorization.

141540638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70770321.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 141540638 is about 11897.0852732928. The cubic root of 141540638 is about 521.1471690524.

Adding to 141540638 its reverse (836045141), we get a palindrome (977585779).

The spelling of 141540638 in words is "one hundred forty-one million, five hundred forty thousand, six hundred thirty-eight".