134772405 has 8 divisors (see below), whose sum is σ = 215635872. Its totient is φ = 71878608.

The previous prime is 134772403. The next prime is 134772409. The reversal of 134772405 is 504277431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134772405 - 2¹ = 134772403 is a prime.

It is a super-2 number, since 2×134772405² = 36327202298968050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134772401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4492399 + ... + 4492428.

It is an arithmetic number, because the mean of its divisors is an integer number (26954484).

Almost surely, 2^134772405 is an apocalyptic number.

134772405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

134772405 is a deficient number, since it is larger than the sum of its proper divisors (80863467).

134772405 is an equidigital number, since it uses as much as digits as its factorization.

134772405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8984835.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 134772405 is about 11609.1517778001. The cubic root of 134772405 is about 512.7043389019.

The spelling of 134772405 in words is "one hundred thirty-four million, seven hundred seventy-two thousand, four hundred five".