142659313 has 4 divisors (see below), whose sum is σ = 143447668. Its totient is φ = 141870960.

The previous prime is 142659299. The next prime is 142659329. The reversal of 142659313 is 313956241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 313956241 = 7883 ⋅39827.

It can be written as a sum of positive squares in 2 ways, for example, as 56670784 + 85988529 = 7528^2 + 9273^2 .

It is a cyclic number.

It is not a de Polignac number, because 142659313 - 2¹³ = 142651121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142654313) 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, 393906 + ... + 394267.

It is an arithmetic number, because the mean of its divisors is an integer number (35861917).

Almost surely, 2^142659313 is an apocalyptic number.

It is an amenable number.

142659313 is a deficient number, since it is larger than the sum of its proper divisors (788355).

142659313 is an equidigital number, since it uses as much as digits as its factorization.

142659313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788354.

The product of its digits is 19440, while the sum is 34.

The square root of 142659313 is about 11944.0074095757. The cubic root of 142659313 is about 522.5165404591.

The spelling of 142659313 in words is "one hundred forty-two million, six hundred fifty-nine thousand, three hundred thirteen".