140723734 has 8 divisors (see below), whose sum is σ = 215576928. Its totient is φ = 68864760.

The previous prime is 140723659. The next prime is 140723741. The reversal of 140723734 is 437327041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 140723696 and 140723705.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 748437 + ... + 748624.

It is an arithmetic number, because the mean of its divisors is an integer number (26947116).

Almost surely, 2^140723734 is an apocalyptic number.

140723734 is a deficient number, since it is larger than the sum of its proper divisors (74853194).

140723734 is a wasteful number, since it uses less digits than its factorization.

140723734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497110.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 140723734 is about 11862.7034861367. The cubic root of 140723734 is about 520.1426309925.

The spelling of 140723734 in words is "one hundred forty million, seven hundred twenty-three thousand, seven hundred thirty-four".