142689953715 has 8 divisors (see below), whose sum is σ = 228303925968. Its totient is φ = 76101308640.

The previous prime is 142689953711. The next prime is 142689953737. The reversal of 142689953715 is 517359986241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142689953715 - 2² = 142689953711 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142689953711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4756331776 + ... + 4756331805.

It is an arithmetic number, because the mean of its divisors is an integer number (28537990746).

Almost surely, 2^142689953715 is an apocalyptic number.

142689953715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142689953715 is a deficient number, since it is larger than the sum of its proper divisors (85613972253).

142689953715 is an equidigital number, since it uses as much as digits as its factorization.

142689953715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9512663589.

The product of its digits is 16329600, while the sum is 60.

The spelling of 142689953715 in words is "one hundred forty-two billion, six hundred eighty-nine million, nine hundred fifty-three thousand, seven hundred fifteen".