142380907 has 4 divisors (see below), whose sum is σ = 145410336. Its totient is φ = 139351480.

The previous prime is 142380881. The next prime is 142380911. The reversal of 142380907 is 709083241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 709083241 = 1753 ⋅404497.

It is a cyclic number.

It is not a de Polignac number, because 142380907 - 2⁷ = 142380779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142380947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1514644 + ... + 1514737.

It is an arithmetic number, because the mean of its divisors is an integer number (36352584).

Almost surely, 2^142380907 is an apocalyptic number.

142380907 is a deficient number, since it is larger than the sum of its proper divisors (3029429).

142380907 is an equidigital number, since it uses as much as digits as its factorization.

142380907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3029428.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 142380907 is about 11932.3470868057. The cubic root of 142380907 is about 522.1764143429.

The spelling of 142380907 in words is "one hundred forty-two million, three hundred eighty thousand, nine hundred seven".