402132121342 has 8 divisors (see below), whose sum is σ = 689369350896. Its totient is φ = 172342337712.

The previous prime is 402132121333. The next prime is 402132121403. The reversal of 402132121342 is 243121231204.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14361861463 + ... + 14361861490.

It is an arithmetic number, because the mean of its divisors is an integer number (86171168862).

Almost surely, 2^402132121342 is an apocalyptic number.

402132121342 is a deficient number, since it is larger than the sum of its proper divisors (287237229554).

402132121342 is a wasteful number, since it uses less digits than its factorization.

402132121342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28723722962.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 402132121342 its reverse (243121231204), we get a palindrome (645253352546).

The spelling of 402132121342 in words is "four hundred two billion, one hundred thirty-two million, one hundred twenty-one thousand, three hundred forty-two".