142680634 has 4 divisors (see below), whose sum is σ = 214020954. Its totient is φ = 71340316.

The previous prime is 142680619. The next prime is 142680641. The reversal of 142680634 is 436086241.

142680634 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 123276609 + 19404025 = 11103^2 + 4405^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 142680634.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35670157 + ... + 35670160.

Almost surely, 2^142680634 is an apocalyptic number.

142680634 is a deficient number, since it is larger than the sum of its proper divisors (71340320).

142680634 is an equidigital number, since it uses as much as digits as its factorization.

142680634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71340319.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 142680634 is about 11944.8999158637. The cubic root of 142680634 is about 522.5425698854.

The spelling of 142680634 in words is "one hundred forty-two million, six hundred eighty thousand, six hundred thirty-four".