142400100397 has 2 divisors, whose sum is σ = 142400100398. Its totient is φ = 142400100396.

The previous prime is 142400100383. The next prime is 142400100433. The reversal of 142400100397 is 793001004241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115946379081 + 26453721316 = 340509^2 + 162646^2 .

It is a cyclic number.

It is not a de Polignac number, because 142400100397 - 2¹¹ = 142400098349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142400101397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71200050198 + 71200050199.

It is an arithmetic number, because the mean of its divisors is an integer number (71200050199).

Almost surely, 2^142400100397 is an apocalyptic number.

It is an amenable number.

142400100397 is a deficient number, since it is larger than the sum of its proper divisors (1).

142400100397 is an equidigital number, since it uses as much as digits as its factorization.

142400100397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 142400100397 in words is "one hundred forty-two billion, four hundred million, one hundred thousand, three hundred ninety-seven".