140712634 has 4 divisors (see below), whose sum is σ = 211068954. Its totient is φ = 70356316.

The previous prime is 140712623. The next prime is 140712647. The reversal of 140712634 is 436217041.

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., 110187009 + 30525625 = 10497^2 + 5525^2 .

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 as a sum of consecutive naturals, namely, 35178157 + ... + 35178160.

Almost surely, 2^140712634 is an apocalyptic number.

140712634 is a deficient number, since it is larger than the sum of its proper divisors (70356320).

140712634 is an equidigital number, since it uses as much as digits as its factorization.

140712634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70356319.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 140712634 is about 11862.2356240297. The cubic root of 140712634 is about 520.1289547043.

Adding to 140712634 its reverse (436217041), we get a palindrome (576929675).

It can be divided in two parts, 1407 and 12634, that added together give a palindrome (14041).

The spelling of 140712634 in words is "one hundred forty million, seven hundred twelve thousand, six hundred thirty-four".