142132290049 has 4 divisors (see below), whose sum is σ = 142152403540. Its totient is φ = 142112176560.

The previous prime is 142132290043. The next prime is 142132290107. The reversal of 142132290049 is 940092231241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 940092231241 = 647 ⋅1453001903.

It can be written as a sum of positive squares in 2 ways, for example, as 53542720449 + 88589569600 = 231393^2 + 297640^2 .

It is a cyclic number.

It is not a de Polignac number, because 142132290049 - 2⁷ = 142132289921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142132290043) 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, 10046142 + ... + 10060279.

It is an arithmetic number, because the mean of its divisors is an integer number (35538100885).

Almost surely, 2^142132290049 is an apocalyptic number.

It is an amenable number.

142132290049 is a deficient number, since it is larger than the sum of its proper divisors (20113491).

142132290049 is an equidigital number, since it uses as much as digits as its factorization.

142132290049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20113490.

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 142132290049 in words is "one hundred forty-two billion, one hundred thirty-two million, two hundred ninety thousand, forty-nine".