402132097 has 4 divisors (see below), whose sum is σ = 402172740. Its totient is φ = 402091456.

The previous prime is 402132091. The next prime is 402132103. The reversal of 402132097 is 790231204.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (402132091) and next prime (402132103).

It can be written as a sum of positive squares in 2 ways, for example, as 74666881 + 327465216 = 8641^2 + 18096^2 .

It is a cyclic number.

It is not a de Polignac number, because 402132097 - 2²³ = 393743489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402132091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5229 + ... + 28837.

It is an arithmetic number, because the mean of its divisors is an integer number (100543185).

Almost surely, 2^402132097 is an apocalyptic number.

It is an amenable number.

402132097 is a deficient number, since it is larger than the sum of its proper divisors (40643).

402132097 is a wasteful number, since it uses less digits than its factorization.

402132097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40642.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 402132097 is about 20053.2315849591. The cubic root of 402132097 is about 738.1130993690.

The spelling of 402132097 in words is "four hundred two million, one hundred thirty-two thousand, ninety-seven".