140549734 has 32 divisors (see below), whose sum is σ = 240859584. Its totient is φ = 61015680.

The previous prime is 140549729. The next prime is 140549767. The reversal of 140549734 is 437945041.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 140549693 and 140549702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34552 + ... + 38404.

It is an arithmetic number, because the mean of its divisors is an integer number (7526862).

Almost surely, 2^140549734 is an apocalyptic number.

140549734 is a deficient number, since it is larger than the sum of its proper divisors (100309850).

140549734 is a wasteful number, since it uses less digits than its factorization.

140549734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3952.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 140549734 is about 11855.3673076797. The cubic root of 140549734 is about 519.9281631533.

The spelling of 140549734 in words is "one hundred forty million, five hundred forty-nine thousand, seven hundred thirty-four".