142098907 has 16 divisors (see below), whose sum is σ = 152756352. Its totient is φ = 131950080.

The previous prime is 142098871. The next prime is 142098919. The reversal of 142098907 is 709890241.

It is a cyclic number.

It is not a de Polignac number, because 142098907 - 2⁷ = 142098779 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142098907.

It is not an unprimeable number, because it can be changed into a prime (142098997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70303 + ... + 72295.

It is an arithmetic number, because the mean of its divisors is an integer number (9547272).

Almost surely, 2^142098907 is an apocalyptic number.

142098907 is a deficient number, since it is larger than the sum of its proper divisors (10657445).

142098907 is a wasteful number, since it uses less digits than its factorization.

142098907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2118.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 142098907 is about 11920.5246109389. The cubic root of 142098907 is about 521.8314451657.

The spelling of 142098907 in words is "one hundred forty-two million, ninety-eight thousand, nine hundred seven".