132400069 has 2 divisors, whose sum is σ = 132400070. Its totient is φ = 132400068.

The previous prime is 132400061. The next prime is 132400091. The reversal of 132400069 is 960004231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131951169 + 448900 = 11487^2 + 670^2 .

It is an emirp because it is prime and its reverse (960004231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 132400069 - 2³ = 132400061 is a prime.

It is a super-2 number, since 2×132400069² = 35059556542409522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132400061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66200034 + 66200035.

It is an arithmetic number, because the mean of its divisors is an integer number (66200035).

Almost surely, 2^132400069 is an apocalyptic number.

It is an amenable number.

132400069 is a deficient number, since it is larger than the sum of its proper divisors (1).

132400069 is an equidigital number, since it uses as much as digits as its factorization.

132400069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 132400069 is about 11506.5228892138. The cubic root of 132400069 is about 509.6782142866.

The spelling of 132400069 in words is "one hundred thirty-two million, four hundred thousand, sixty-nine".