402141305 has 16 divisors (see below), whose sum is σ = 490529424. Its totient is φ = 316431360.

The previous prime is 402141293. The next prime is 402141359. The reversal of 402141305 is 503141204.

It can be written as a sum of positive squares in 8 ways, for example, as 2621161 + 399520144 = 1619^2 + 19988^2 .

It is not a de Polignac number, because 402141305 - 2⁶ = 402141241 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152357 + ... + 154973.

It is an arithmetic number, because the mean of its divisors is an integer number (30658089).

Almost surely, 2^402141305 is an apocalyptic number.

It is an amenable number.

402141305 is a deficient number, since it is larger than the sum of its proper divisors (88388119).

402141305 is a wasteful number, since it uses less digits than its factorization.

402141305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3116.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 402141305 is about 20053.4611725757. The cubic root of 402141305 is about 738.1187330846.

Adding to 402141305 its reverse (503141204), we get a palindrome (905282509).

The spelling of 402141305 in words is "four hundred two million, one hundred forty-one thousand, three hundred five".