201402434 has 16 divisors (see below), whose sum is σ = 324383616. Its totient is φ = 93441600.

The previous prime is 201402431. The next prime is 201402437. The reversal of 201402434 is 434204102.

It is an interprime number because it is at equal distance from previous prime (201402431) and next prime (201402437).

It is a super-2 number, since 2×201402434² = 81125880842248712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201402431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39302 + ... + 44129.

It is an arithmetic number, because the mean of its divisors is an integer number (20273976).

Almost surely, 2^201402434 is an apocalyptic number.

201402434 is a deficient number, since it is larger than the sum of its proper divisors (122981182).

201402434 is a wasteful number, since it uses less digits than its factorization.

201402434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83521.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 201402434 is about 14191.6325347016. The cubic root of 201402434 is about 586.1672789845.

Adding to 201402434 its reverse (434204102), we get a palindrome (635606536).

The spelling of 201402434 in words is "two hundred one million, four hundred two thousand, four hundred thirty-four".