402134419 has 8 divisors (see below), whose sum is σ = 409268160. Its totient is φ = 395055336.

The previous prime is 402134413. The next prime is 402134431. The reversal of 402134419 is 914431204.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402134419 is a prime.

It is a super-2 number, since 2×402134419² = 323424181888935122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402134413) 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, 1324 + ... + 28390.

It is an arithmetic number, because the mean of its divisors is an integer number (51158520).

Almost surely, 2^402134419 is an apocalyptic number.

402134419 is a deficient number, since it is larger than the sum of its proper divisors (7133741).

402134419 is a wasteful number, since it uses less digits than its factorization.

402134419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27329.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 402134419 is about 20053.2894807810. The cubic root of 402134419 is about 738.1145200426.

The spelling of 402134419 in words is "four hundred two million, one hundred thirty-four thousand, four hundred nineteen".