140025001531 has 2 divisors, whose sum is σ = 140025001532. Its totient is φ = 140025001530.

The previous prime is 140025001451. The next prime is 140025001547. The reversal of 140025001531 is 135100520041.

It is a happy number.

140025001531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140025001531 - 2¹⁷ = 140024870459 is a prime.

It is a super-2 number, since 2×140025001531² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140025061531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70012500765 + 70012500766.

It is an arithmetic number, because the mean of its divisors is an integer number (70012500766).

Almost surely, 2^140025001531 is an apocalyptic number.

140025001531 is a deficient number, since it is larger than the sum of its proper divisors (1).

140025001531 is an equidigital number, since it uses as much as digits as its factorization.

140025001531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 140025001531 its reverse (135100520041), we get a palindrome (275125521572).

The spelling of 140025001531 in words is "one hundred forty billion, twenty-five million, one thousand, five hundred thirty-one".