140176042 has 4 divisors (see below), whose sum is σ = 210264066. Its totient is φ = 70088020.

The previous prime is 140176039. The next prime is 140176063. The reversal of 140176042 is 240671041.

140176042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 138509361 + 1666681 = 11769^2 + 1291^2 .

It is a junction number, because it is equal to n+sod(n) for n = 140175998 and 140176016.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35044009 + ... + 35044012.

Almost surely, 2^140176042 is an apocalyptic number.

140176042 is a deficient number, since it is larger than the sum of its proper divisors (70088024).

140176042 is an equidigital number, since it uses as much as digits as its factorization.

140176042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70088023.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 140176042 is about 11839.5963613630. The cubic root of 140176042 is about 519.4669611786.

The spelling of 140176042 in words is "one hundred forty million, one hundred seventy-six thousand, forty-two".