1478133471 has 16 divisors (see below), whose sum is σ = 2040990336. Its totient is φ = 950902176.

The previous prime is 1478133467. The next prime is 1478133487. The reversal of 1478133471 is 1743318741.

It is not a de Polignac number, because 1478133471 - 2² = 1478133467 is a prime.

It is a super-3 number, since 3×1478133471³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1478133401) 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, 58320 + ... + 79733.

It is an arithmetic number, because the mean of its divisors is an integer number (127561896).

Almost surely, 2^1478133471 is an apocalyptic number.

1478133471 is a deficient number, since it is larger than the sum of its proper divisors (562856865).

1478133471 is a wasteful number, since it uses less digits than its factorization.

1478133471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138182.

The product of its digits is 56448, while the sum is 39.

The square root of 1478133471 is about 38446.5014143030. The cubic root of 1478133471 is about 1139.1245641285.

The spelling of 1478133471 in words is "one billion, four hundred seventy-eight million, one hundred thirty-three thousand, four hundred seventy-one".