142076905 has 8 divisors (see below), whose sum is σ = 180521352. Its totient is φ = 106975488.

The previous prime is 142076873. The next prime is 142076933. The reversal of 142076905 is 509670241.

It can be written as a sum of positive squares in 4 ways, for example, as 4460544 + 137616361 = 2112^2 + 11731^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142076905 - 2⁵ = 142076873 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 835662 + ... + 835831.

It is an arithmetic number, because the mean of its divisors is an integer number (22565169).

Almost surely, 2^142076905 is an apocalyptic number.

It is an amenable number.

142076905 is a deficient number, since it is larger than the sum of its proper divisors (38444447).

142076905 is a wasteful number, since it uses less digits than its factorization.

142076905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671515.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 142076905 is about 11919.6017131446. The cubic root of 142076905 is about 521.8045110432.

It can be divided in two parts, 14207 and 6905, that added together give a palindrome (21112).

The spelling of 142076905 in words is "one hundred forty-two million, seventy-six thousand, nine hundred five".