142680734 has 8 divisors (see below), whose sum is σ = 244595568. Its totient is φ = 61148880.

The previous prime is 142680731. The next prime is 142680743. The reversal of 142680734 is 437086241.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 142680694 and 142680703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142680731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5095727 + ... + 5095754.

It is an arithmetic number, because the mean of its divisors is an integer number (30574446).

Almost surely, 2^142680734 is an apocalyptic number.

142680734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

142680734 is a deficient number, since it is larger than the sum of its proper divisors (101914834).

142680734 is a wasteful number, since it uses less digits than its factorization.

142680734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10191490.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 142680734 is about 11944.9041017498. The cubic root of 142680734 is about 522.5426919628.

The spelling of 142680734 in words is "one hundred forty-two million, six hundred eighty thousand, seven hundred thirty-four".