340503142 has 48 divisors (see below), whose sum is σ = 623803680. Its totient is φ = 136515456.

The previous prime is 340503139. The next prime is 340503187. The reversal of 340503142 is 241305043.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 449428 + ... + 450184.

It is an arithmetic number, because the mean of its divisors is an integer number (12995910).

Almost surely, 2^340503142 is an apocalyptic number.

340503142 is a deficient number, since it is larger than the sum of its proper divisors (283300538).

340503142 is a wasteful number, since it uses less digits than its factorization.

340503142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893 (or 874 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 340503142 is about 18452.7272239092. The cubic root of 340503142 is about 698.2973188967.

Adding to 340503142 its reverse (241305043), we get a palindrome (581808185).

The spelling of 340503142 in words is "three hundred forty million, five hundred three thousand, one hundred forty-two".