140339649 has 8 divisors (see below), whose sum is σ = 188485920. Its totient is φ = 92876576.

The previous prime is 140339627. The next prime is 140339651. The reversal of 140339649 is 946933041.

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

It is a cyclic number.

It is not a de Polignac number, because 140339649 - 2⁸ = 140339393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140339609) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 170319 + ... + 171140.

It is an arithmetic number, because the mean of its divisors is an integer number (23560740).

Almost surely, 2^140339649 is an apocalyptic number.

It is an amenable number.

140339649 is a deficient number, since it is larger than the sum of its proper divisors (48146271).

140339649 is a wasteful number, since it uses less digits than its factorization.

140339649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341599.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 140339649 is about 11846.5036614184. The cubic root of 140339649 is about 519.6689818817.

The spelling of 140339649 in words is "one hundred forty million, three hundred thirty-nine thousand, six hundred forty-nine".