1427152665 has 8 divisors (see below), whose sum is σ = 2283444288. Its totient is φ = 761148080.

The previous prime is 1427152663. The next prime is 1427152687. The reversal of 1427152665 is 5662517241.

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

It is not a de Polignac number, because 1427152665 - 2¹ = 1427152663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1427152663) 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, 47571741 + ... + 47571770.

It is an arithmetic number, because the mean of its divisors is an integer number (285430536).

Almost surely, 2^1427152665 is an apocalyptic number.

1427152665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1427152665 is a deficient number, since it is larger than the sum of its proper divisors (856291623).

1427152665 is an equidigital number, since it uses as much as digits as its factorization.

1427152665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95143519.

The product of its digits is 100800, while the sum is 39.

The square root of 1427152665 is about 37777.6741608056. The cubic root of 1427152665 is about 1125.8749184073.

The spelling of 1427152665 in words is "one billion, four hundred twenty-seven million, one hundred fifty-two thousand, six hundred sixty-five".