142131001 has 32 divisors (see below), whose sum is σ = 163814400. Its totient is φ = 122653440.

The previous prime is 142130993. The next prime is 142131047. The reversal of 142131001 is 100131241.

It is a cyclic number.

It is not a de Polignac number, because 142131001 - 2³ = 142130993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142131701) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 905215 + ... + 905371.

It is an arithmetic number, because the mean of its divisors is an integer number (5119200).

Almost surely, 2^142131001 is an apocalyptic number.

It is an amenable number.

142131001 is a deficient number, since it is larger than the sum of its proper divisors (21683399).

142131001 is a wasteful number, since it uses less digits than its factorization.

142131001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 142131001 is about 11921.8707005235. The cubic root of 142131001 is about 521.8707285964.

Adding to 142131001 its reverse (100131241), we get a palindrome (242262242).

The spelling of 142131001 in words is "one hundred forty-two million, one hundred thirty-one thousand, one".