140601406 has 32 divisors (see below), whose sum is σ = 248757120. Its totient is φ = 58903200.

The previous prime is 140601379. The next prime is 140601413. The reversal of 140601406 is 604106041.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10921 + ... + 20011.

It is an arithmetic number, because the mean of its divisors is an integer number (7773660).

Almost surely, 2^140601406 is an apocalyptic number.

140601406 is a deficient number, since it is larger than the sum of its proper divisors (108155714).

140601406 is a wasteful number, since it uses less digits than its factorization.

140601406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9160.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 140601406 is about 11857.5463735125. The cubic root of 140601406 is about 519.9918711747.

Adding to 140601406 its reverse (604106041), we get a palindrome (744707447).

The spelling of 140601406 in words is "one hundred forty million, six hundred one thousand, four hundred six".