140682738 has 32 divisors (see below), whose sum is σ = 321943680. Its totient is φ = 40147200.

The previous prime is 140682721. The next prime is 140682761. The reversal of 140682738 is 837286041.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140682696 and 140682705.

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 in 15 ways as a sum of consecutive naturals, for example, 49048 + ... + 51836.

It is an arithmetic number, because the mean of its divisors is an integer number (10060740).

Almost surely, 2^140682738 is an apocalyptic number.

140682738 is an abundant number, since it is smaller than the sum of its proper divisors (181260942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140682738 is a wasteful number, since it uses less digits than its factorization.

140682738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4002.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 140682738 is about 11860.9754236319. The cubic root of 140682738 is about 520.0921163239.

The spelling of 140682738 in words is "one hundred forty million, six hundred eighty-two thousand, seven hundred thirty-eight".