142700387405 has 16 divisors (see below), whose sum is σ = 172517551920. Its totient is φ = 113310492672.

The previous prime is 142700387383. The next prime is 142700387437. The reversal of 142700387405 is 504783007241.

It can be written as a sum of positive squares in 8 ways, for example, as 80566848649 + 62133538756 = 283843^2 + 249266^2 .

It is a cyclic number.

It is not a de Polignac number, because 142700387405 - 2¹⁸ = 142700125261 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 631427 + ... + 827103.

It is an arithmetic number, because the mean of its divisors is an integer number (10782346995).

Almost surely, 2^142700387405 is an apocalyptic number.

It is an amenable number.

142700387405 is a deficient number, since it is larger than the sum of its proper divisors (29817164515).

142700387405 is a wasteful number, since it uses less digits than its factorization.

142700387405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196768.

The product of its (nonzero) digits is 188160, while the sum is 41.

The spelling of 142700387405 in words is "one hundred forty-two billion, seven hundred million, three hundred eighty-seven thousand, four hundred five".