142307013634 has 16 divisors (see below), whose sum is σ = 226026984600. Its totient is φ = 66965054464.

The previous prime is 142307013631. The next prime is 142307013659. The reversal of 142307013634 is 436310703241.

It can be written as a sum of positive squares in 4 ways, for example, as 142018183609 + 288830025 = 376853^2 + 16995^2 .

It is a super-2 number, since 2×142307013634² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 142307013634.

It is not an unprimeable number, because it can be changed into a prime (142307013631) by changing a digit.

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, 821622 + ... + 979630.

Almost surely, 2^142307013634 is an apocalyptic number.

142307013634 is a deficient number, since it is larger than the sum of its proper divisors (83719970966).

142307013634 is a wasteful number, since it uses less digits than its factorization.

142307013634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184517.

The product of its (nonzero) digits is 36288, while the sum is 34.

Adding to 142307013634 its reverse (436310703241), we get a palindrome (578617716875).

The spelling of 142307013634 in words is "one hundred forty-two billion, three hundred seven million, thirteen thousand, six hundred thirty-four".