140804738 has 4 divisors (see below), whose sum is σ = 211207110. Its totient is φ = 70402368.

The previous prime is 140804707. The next prime is 140804771. The reversal of 140804738 is 837408041.

It is a happy number.

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., 139405249 + 1399489 = 11807^2 + 1183^2 .

It is a junction number, because it is equal to n+sod(n) for n = 140804698 and 140804707.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35201183 + ... + 35201186.

Almost surely, 2^140804738 is an apocalyptic number.

140804738 is a deficient number, since it is larger than the sum of its proper divisors (70402372).

140804738 is an equidigital number, since it uses as much as digits as its factorization.

140804738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70402371.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 140804738 is about 11866.1172251078. The cubic root of 140804738 is about 520.2424140939.

The spelling of 140804738 in words is "one hundred forty million, eight hundred four thousand, seven hundred thirty-eight".