140025403412 has 24 divisors (see below), whose sum is σ = 259812896616. Its totient is φ = 65804387328.

The previous prime is 140025403351. The next prime is 140025403459. The reversal of 140025403412 is 214304520041.

It can be written as a sum of positive squares in 4 ways, for example, as 119905683076 + 20119720336 = 346274^2 + 141844^2 .

It is a super-2 number, since 2×140025403412² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1354793 + ... + 1454480.

It is an arithmetic number, because the mean of its divisors is an integer number (10825537359).

Almost surely, 2^140025403412 is an apocalyptic number.

It is an amenable number.

140025403412 is a deficient number, since it is larger than the sum of its proper divisors (119787493204).

140025403412 is a wasteful number, since it uses less digits than its factorization.

140025403412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810027 (or 2810025 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 140025403412 its reverse (214304520041), we get a palindrome (354329923453).

The spelling of 140025403412 in words is "one hundred forty billion, twenty-five million, four hundred three thousand, four hundred twelve".