142637734 has 16 divisors (see below), whose sum is σ = 218453760. Its totient is φ = 69825600.

The previous prime is 142637723. The next prime is 142637749. The reversal of 142637734 is 437736241.

It is a junction number, because it is equal to n+sod(n) for n = 142637693 and 142637702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62587 + ... + 64825.

It is an arithmetic number, because the mean of its divisors is an integer number (13653360).

Almost surely, 2^142637734 is an apocalyptic number.

142637734 is a deficient number, since it is larger than the sum of its proper divisors (75816026).

142637734 is a wasteful number, since it uses less digits than its factorization.

142637734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2895.

The product of its digits is 84672, while the sum is 37.

The square root of 142637734 is about 11943.1040353838. The cubic root of 142637734 is about 522.4901934165.

The spelling of 142637734 in words is "one hundred forty-two million, six hundred thirty-seven thousand, seven hundred thirty-four".