142680390 has 16 divisors (see below), whose sum is σ = 342433008. Its totient is φ = 38048096.

The previous prime is 142680389. The next prime is 142680397. The reversal of 142680390 is 93086241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142680397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2377977 + ... + 2378036.

It is an arithmetic number, because the mean of its divisors is an integer number (21402063).

Almost surely, 2^142680390 is an apocalyptic number.

142680390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142680390 is an abundant number, since it is smaller than the sum of its proper divisors (199752618).

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

142680390 is a wasteful number, since it uses less digits than its factorization.

142680390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4756023.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 142680390 is about 11944.8897022953. The cubic root of 142680390 is about 522.5422720163.

The spelling of 142680390 in words is "one hundred forty-two million, six hundred eighty thousand, three hundred ninety".