140145320412 has 18 divisors (see below), whose sum is σ = 354256226688. Its totient is φ = 46715106792.

The previous prime is 140145320401. The next prime is 140145320417. The reversal of 140145320412 is 214023541041.

140145320412 is a `hidden beast` number, since 1 + 4 + 0 + 1 + 453 + 204 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140145320417) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1946462748 + ... + 1946462819.

Almost surely, 2^140145320412 is an apocalyptic number.

140145320412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140145320412 is an abundant number, since it is smaller than the sum of its proper divisors (214110906276).

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

140145320412 is a wasteful number, since it uses less digits than its factorization.

140145320412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3892925577 (or 3892925572 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 140145320412 its reverse (214023541041), we get a palindrome (354168861453).

The spelling of 140145320412 in words is "one hundred forty billion, one hundred forty-five million, three hundred twenty thousand, four hundred twelve".