340536142 has 4 divisors (see below), whose sum is σ = 510804216. Its totient is φ = 170268070.

The previous prime is 340536139. The next prime is 340536179. The reversal of 340536142 is 241635043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241635043 = 13 ⋅18587311.

It is a self number, because there is not a number n which added to its sum of digits gives 340536142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85134034 + ... + 85134037.

It is an arithmetic number, because the mean of its divisors is an integer number (127701054).

Almost surely, 2^340536142 is an apocalyptic number.

340536142 is a deficient number, since it is larger than the sum of its proper divisors (170268074).

340536142 is a wasteful number, since it uses less digits than its factorization.

340536142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170268073.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 340536142 is about 18453.6213790139. The cubic root of 340536142 is about 698.3198767572.

The spelling of 340536142 in words is "three hundred forty million, five hundred thirty-six thousand, one hundred forty-two".