402142341 has 8 divisors (see below), whose sum is σ = 537541984. Its totient is φ = 267418800.

The previous prime is 402142339. The next prime is 402142379. The reversal of 402142341 is 143241204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 402142341 - 2¹ = 402142339 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 (402142331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167635 + ... + 170016.

It is an arithmetic number, because the mean of its divisors is an integer number (67192748).

Almost surely, 2^402142341 is an apocalyptic number.

It is an amenable number.

402142341 is a deficient number, since it is larger than the sum of its proper divisors (135399643).

402142341 is a wasteful number, since it uses less digits than its factorization.

402142341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338051.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 402142341 is about 20053.4870035114. The cubic root of 402142341 is about 738.1193669334.

Adding to 402142341 its reverse (143241204), we get a palindrome (545383545).

The spelling of 402142341 in words is "four hundred two million, one hundred forty-two thousand, three hundred forty-one".