140645063406 has 64 divisors (see below), whose sum is σ = 290334067200. Its totient is φ = 45399244800.

The previous prime is 140645063381. The next prime is 140645063407. The reversal of 140645063406 is 604360546041.

It is a super-3 number, since 3×140645063406³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140645063407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52302510 + ... + 52305198.

It is an arithmetic number, because the mean of its divisors is an integer number (4536469800).

Almost surely, 2^140645063406 is an apocalyptic number.

140645063406 is an abundant number, since it is smaller than the sum of its proper divisors (149689003794).

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

140645063406 is a wasteful number, since it uses less digits than its factorization.

140645063406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4905.

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 140645063406 in words is "one hundred forty billion, six hundred forty-five million, sixty-three thousand, four hundred six".