351669142 has 16 divisors (see below), whose sum is σ = 575942400. Its totient is φ = 159715240.

The previous prime is 351669139. The next prime is 351669161. The reversal of 351669142 is 241966153.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22959 + ... + 35077.

It is an arithmetic number, because the mean of its divisors is an integer number (35996400).

Almost surely, 2^351669142 is an apocalyptic number.

351669142 is a deficient number, since it is larger than the sum of its proper divisors (224273258).

351669142 is a wasteful number, since it uses less digits than its factorization.

351669142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13451.

The product of its digits is 38880, while the sum is 37.

The square root of 351669142 is about 18752.8435710428. The cubic root of 351669142 is about 705.8483772653.

The spelling of 351669142 in words is "three hundred fifty-one million, six hundred sixty-nine thousand, one hundred forty-two".