1375435404 has 144 divisors (see below), whose sum is σ = 4254222336. Its totient is φ = 380246400.

The previous prime is 1375435393. The next prime is 1375435409. The reversal of 1375435404 is 4045345731.

1375435404 is a `hidden beast` number, since 1 + 3 + 75 + 43 + 540 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1375435409) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 207664 + ... + 214184.

Almost surely, 2^1375435404 is an apocalyptic number.

1375435404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1375435404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2127111168).

1375435404 is an abundant number, since it is smaller than the sum of its proper divisors (2878786932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1375435404 is a wasteful number, since it uses less digits than its factorization.

1375435404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6578 (or 6564 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The square root of 1375435404 is about 37086.8629571173. The cubic root of 1375435404 is about 1112.1074062102.

The spelling of 1375435404 in words is "one billion, three hundred seventy-five million, four hundred thirty-five thousand, four hundred four".