132261405 has 32 divisors (see below), whose sum is σ = 215654400. Its totient is φ = 69206592.

The previous prime is 132261403. The next prime is 132261439. The reversal of 132261405 is 504162231.

It is not a de Polignac number, because 132261405 - 2¹ = 132261403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132261403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 282982 + ... + 283448.

It is an arithmetic number, because the mean of its divisors is an integer number (6739200).

Almost surely, 2^132261405 is an apocalyptic number.

132261405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

132261405 is a deficient number, since it is larger than the sum of its proper divisors (83392995).

132261405 is a wasteful number, since it uses less digits than its factorization.

132261405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 132261405 is about 11500.4958588750. The cubic root of 132261405 is about 509.5002216633.

The spelling of 132261405 in words is "one hundred thirty-two million, two hundred sixty-one thousand, four hundred five".