133421295 has 16 divisors (see below), whose sum is σ = 243970560. Its totient is φ = 60992544.

The previous prime is 133421291. The next prime is 133421311. The reversal of 133421295 is 592124331.

It is not a de Polignac number, because 133421295 - 2² = 133421291 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133421291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 635235 + ... + 635444.

It is an arithmetic number, because the mean of its divisors is an integer number (15248160).

Almost surely, 2^133421295 is an apocalyptic number.

133421295 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133421295 is a deficient number, since it is larger than the sum of its proper divisors (110549265).

133421295 is a wasteful number, since it uses less digits than its factorization.

133421295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270694.

The product of its digits is 6480, while the sum is 30.

The square root of 133421295 is about 11550.8136077075. The cubic root of 133421295 is about 510.9852733248.

The spelling of 133421295 in words is "one hundred thirty-three million, four hundred twenty-one thousand, two hundred ninety-five".