142039700 has 36 divisors (see below), whose sum is σ = 336249312. Its totient is φ = 51650400.

The previous prime is 142039699. The next prime is 142039741. The reversal of 142039700 is 7930241.

142039700 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 142039700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63464 + ... + 65663.

Almost surely, 2^142039700 is an apocalyptic number.

142039700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142039700 is an abundant number, since it is smaller than the sum of its proper divisors (194209612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142039700 is a wasteful number, since it uses less digits than its factorization.

142039700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129152 (or 129145 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 142039700 is about 11918.0409463972. The cubic root of 142039700 is about 521.7589595825.

Adding to 142039700 its reverse (7930241), we get a palindrome (149969941).

The spelling of 142039700 in words is "one hundred forty-two million, thirty-nine thousand, seven hundred".