1427347155 has 32 divisors (see below), whose sum is σ = 2461273920. Its totient is φ = 702167040.

The previous prime is 1427347147. The next prime is 1427347157. The reversal of 1427347155 is 5517437241.

It is not a de Polignac number, because 1427347155 - 2³ = 1427347147 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1427347157) 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, 443191 + ... + 446399.

It is an arithmetic number, because the mean of its divisors is an integer number (76914810).

Almost surely, 2^1427347155 is an apocalyptic number.

1427347155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1427347155 is a deficient number, since it is larger than the sum of its proper divisors (1033926765).

1427347155 is a wasteful number, since it uses less digits than its factorization.

1427347155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5511.

The product of its digits is 117600, while the sum is 39.

The square root of 1427347155 is about 37780.2482125250. The cubic root of 1427347155 is about 1125.9260602069.

The spelling of 1427347155 in words is "one billion, four hundred twenty-seven million, three hundred forty-seven thousand, one hundred fifty-five".