342140615 has 4 divisors (see below), whose sum is σ = 410568744. Its totient is φ = 273712488.

The previous prime is 342140611. The next prime is 342140621. The reversal of 342140615 is 516041243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 516041243 = 1499 ⋅344257.

It is a cyclic number.

It is not a de Polignac number, because 342140615 - 2² = 342140611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342140611) 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, 34214057 + ... + 34214066.

It is an arithmetic number, because the mean of its divisors is an integer number (102642186).

Almost surely, 2^342140615 is an apocalyptic number.

342140615 is a deficient number, since it is larger than the sum of its proper divisors (68428129).

342140615 is an equidigital number, since it uses as much as digits as its factorization.

342140615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68428128.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 342140615 is about 18497.0434123943. The cubic root of 342140615 is about 699.4148954223.

Adding to 342140615 its reverse (516041243), we get a palindrome (858181858).

The spelling of 342140615 in words is "three hundred forty-two million, one hundred forty thousand, six hundred fifteen".