140532246 has 96 divisors (see below), whose sum is σ = 337413600. Its totient is φ = 43879968.

The previous prime is 140532233. The next prime is 140532247. The reversal of 140532246 is 642235041.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140532247) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1578970 + ... + 1579058.

It is an arithmetic number, because the mean of its divisors is an integer number (3514725).

Almost surely, 2^140532246 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140532246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168706800).

140532246 is an abundant number, since it is smaller than the sum of its proper divisors (196881354).

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

140532246 is an frugal number, since it uses more digits than its factorization.

140532246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 140532246 is about 11854.6297285069. The cubic root of 140532246 is about 519.9065981158.

Adding to 140532246 its reverse (642235041), we get a palindrome (782767287).

The spelling of 140532246 in words is "one hundred forty million, five hundred thirty-two thousand, two hundred forty-six".