140746734 has 40 divisors (see below), whose sum is σ = 317906688. Its totient is φ = 46539360.

The previous prime is 140746733. The next prime is 140746759. The reversal of 140746734 is 437647041.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140746733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17154 + ... + 23994.

Almost surely, 2^140746734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140746734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158953344).

140746734 is an abundant number, since it is smaller than the sum of its proper divisors (177159954).

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

140746734 is a wasteful number, since it uses less digits than its factorization.

140746734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6982 (or 6973 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 140746734 is about 11863.6728714172. The cubic root of 140746734 is about 520.1709669584.

The spelling of 140746734 in words is "one hundred forty million, seven hundred forty-six thousand, seven hundred thirty-four".