140353121512431 has 12 divisors (see below), whose sum is σ = 202739553121560. Its totient is φ = 93565393909200.

The previous prime is 140353121512427. The next prime is 140353121512451. The reversal of 140353121512431 is 134215121353041.

140353121512431 is a `hidden beast` number, since 1 + 4 + 0 + 3 + 5 + 3 + 1 + 215 + 1 + 2 + 431 = 666.

It is not a de Polignac number, because 140353121512431 - 2² = 140353121512427 is a prime.

It is a super-2 number, since 2×140353121512431² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140353121512421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 279215421 + ... + 279717638.

It is an arithmetic number, because the mean of its divisors is an integer number (16894962760130).

Almost surely, 2^{140353121512431} is an apocalyptic number.

140353121512431 is a deficient number, since it is larger than the sum of its proper divisors (62386431609129).

140353121512431 is a wasteful number, since it uses less digits than its factorization.

140353121512431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558960966 (or 558960963 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

Adding to 140353121512431 its reverse (134215121353041), we get a palindrome (274568242865472).

The spelling of 140353121512431 in words is "one hundred forty trillion, three hundred fifty-three billion, one hundred twenty-one million, five hundred twelve thousand, four hundred thirty-one".