140513446 has 8 divisors (see below), whose sum is σ = 211675464. Its totient is φ = 69954960.

The previous prime is 140513431. The next prime is 140513447. The reversal of 140513446 is 644315041.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140513447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150300 + ... + 151231.

It is an arithmetic number, because the mean of its divisors is an integer number (26459433).

Almost surely, 2^140513446 is an apocalyptic number.

140513446 is a deficient number, since it is larger than the sum of its proper divisors (71162018).

140513446 is a wasteful number, since it uses less digits than its factorization.

140513446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301766.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 140513446 is about 11853.8367628376. The cubic root of 140513446 is about 519.8834132117.

Adding to 140513446 its reverse (644315041), we get a palindrome (784828487).

The spelling of 140513446 in words is "one hundred forty million, five hundred thirteen thousand, four hundred forty-six".