140012155357 has 2 divisors, whose sum is σ = 140012155358. Its totient is φ = 140012155356.

The previous prime is 140012155319. The next prime is 140012155463. The reversal of 140012155357 is 753551210041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84509978436 + 55502176921 = 290706^2 + 235589^2 .

It is a cyclic number.

It is not a de Polignac number, because 140012155357 - 2¹⁵ = 140012122589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140012155307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70006077678 + 70006077679.

It is an arithmetic number, because the mean of its divisors is an integer number (70006077679).

Almost surely, 2^140012155357 is an apocalyptic number.

It is an amenable number.

140012155357 is a deficient number, since it is larger than the sum of its proper divisors (1).

140012155357 is an equidigital number, since it uses as much as digits as its factorization.

140012155357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21000, while the sum is 34.

Adding to 140012155357 its reverse (753551210041), we get a palindrome (893563365398).

The spelling of 140012155357 in words is "one hundred forty billion, twelve million, one hundred fifty-five thousand, three hundred fifty-seven".