142087004 has 12 divisors (see below), whose sum is σ = 248806824. Its totient is φ = 70999344.

The previous prime is 142086983. The next prime is 142087013. The reversal of 142087004 is 400780241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3179 + ... + 17154.

It is an arithmetic number, because the mean of its divisors is an integer number (20733902).

Almost surely, 2^142087004 is an apocalyptic number.

It is an amenable number.

142087004 is a deficient number, since it is larger than the sum of its proper divisors (106719820).

142087004 is a wasteful number, since it uses less digits than its factorization.

142087004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22084 (or 22082 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 142087004 is about 11920.0253355435. The cubic root of 142087004 is about 521.8168742510.

It can be divided in two parts, 14208 and 7004, that added together give a palindrome (21212).

The spelling of 142087004 in words is "one hundred forty-two million, eighty-seven thousand, four".