142990728693 has 16 divisors (see below), whose sum is σ = 195841646976. Its totient is φ = 92734390080.

The previous prime is 142990728691. The next prime is 142990728703. The reversal of 142990728693 is 396827099241.

It is not a de Polignac number, because 142990728693 - 2¹ = 142990728691 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142990728691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535480 + ... + 756782.

It is an arithmetic number, because the mean of its divisors is an integer number (12240102936).

Almost surely, 2^142990728693 is an apocalyptic number.

It is an amenable number.

142990728693 is a deficient number, since it is larger than the sum of its proper divisors (52850918283).

142990728693 is a wasteful number, since it uses less digits than its factorization.

142990728693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227164.

The product of its (nonzero) digits is 11757312, while the sum is 60.

The spelling of 142990728693 in words is "one hundred forty-two billion, nine hundred ninety million, seven hundred twenty-eight thousand, six hundred ninety-three".