140709952 has 56 divisors (see below), whose sum is σ = 308555136. Its totient is φ = 63326208.

The previous prime is 140709949. The next prime is 140709971. The reversal of 140709952 is 259907041.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22213 + ... + 27835.

Almost surely, 2^140709952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140709952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154277568).

140709952 is an abundant number, since it is smaller than the sum of its proper divisors (167845184).

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

140709952 is a wasteful number, since it uses less digits than its factorization.

140709952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5675 (or 5665 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 140709952 is about 11862.1225756607. The cubic root of 140709952 is about 520.1256501095.

The spelling of 140709952 in words is "one hundred forty million, seven hundred nine thousand, nine hundred fifty-two".