140395734 has 32 divisors (see below), whose sum is σ = 313127040. Its totient is φ = 46628136.

The previous prime is 140395729. The next prime is 140395747. The reversal of 140395734 is 437593041.

It is a congruent number.

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, 10689 + ... + 19875.

It is an arithmetic number, because the mean of its divisors is an integer number (9785220).

Almost surely, 2^140395734 is an apocalyptic number.

140395734 is an abundant number, since it is smaller than the sum of its proper divisors (172731306).

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

140395734 is a wasteful number, since it uses less digits than its factorization.

140395734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9481 (or 9475 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 140395734 is about 11848.8705790890. The cubic root of 140395734 is about 519.7381990828.

The spelling of 140395734 in words is "one hundred forty million, three hundred ninety-five thousand, seven hundred thirty-four".