142654391679 has 8 divisors (see below), whose sum is σ = 190754000640. Its totient is φ = 94828855256.

The previous prime is 142654391641. The next prime is 142654391689. The reversal of 142654391679 is 976193456241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142654391679 is a prime.

It is a super-3 number, since 3×142654391679³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142654391629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68516919 + ... + 68519000.

It is an arithmetic number, because the mean of its divisors is an integer number (23844250080).

Almost surely, 2^142654391679 is an apocalyptic number.

142654391679 is a deficient number, since it is larger than the sum of its proper divisors (48099608961).

142654391679 is a wasteful number, since it uses less digits than its factorization.

142654391679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137036269.

The product of its digits is 9797760, while the sum is 57.

The spelling of 142654391679 in words is "one hundred forty-two billion, six hundred fifty-four million, three hundred ninety-one thousand, six hundred seventy-nine".