140631351527 has 2 divisors, whose sum is σ = 140631351528. Its totient is φ = 140631351526.

The previous prime is 140631351503. The next prime is 140631351587. The reversal of 140631351527 is 725153136041.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (725153136041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140631351527 - 2¹² = 140631347431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140631351587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70315675763 + 70315675764.

It is an arithmetic number, because the mean of its divisors is an integer number (70315675764).

Almost surely, 2^140631351527 is an apocalyptic number.

140631351527 is a deficient number, since it is larger than the sum of its proper divisors (1).

140631351527 is an equidigital number, since it uses as much as digits as its factorization.

140631351527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 38.

Adding to 140631351527 its reverse (725153136041), we get a palindrome (865784487568).

The spelling of 140631351527 in words is "one hundred forty billion, six hundred thirty-one million, three hundred fifty-one thousand, five hundred twenty-seven".