140841238 has 4 divisors (see below), whose sum is σ = 211261860. Its totient is φ = 70420618.

The previous prime is 140841229. The next prime is 140841241. The reversal of 140841238 is 832148041.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35210308 + ... + 35210311.

It is an arithmetic number, because the mean of its divisors is an integer number (52815465).

Almost surely, 2^140841238 is an apocalyptic number.

140841238 is a deficient number, since it is larger than the sum of its proper divisors (70420622).

140841238 is an equidigital number, since it uses as much as digits as its factorization.

140841238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70420621.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 140841238 is about 11867.6551180088. The cubic root of 140841238 is about 520.2873633568.

Adding to 140841238 its reverse (832148041), we get a palindrome (972989279).

The spelling of 140841238 in words is "one hundred forty million, eight hundred forty-one thousand, two hundred thirty-eight".