1375355403 has 32 divisors (see below), whose sum is σ = 2251238400. Its totient is φ = 825441408.

The previous prime is 1375355383. The next prime is 1375355411. The reversal of 1375355403 is 3045535731.

1375355403 is a `hidden beast` number, since 13 + 75 + 35 + 540 + 3 = 666.

It is not a de Polignac number, because 1375355403 - 2⁶ = 1375355339 is a prime.

It is a super-2 number, since 2×1375355403² = 3783204969122584818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1375355483) 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, 54583 + ... + 75696.

It is an arithmetic number, because the mean of its divisors is an integer number (70351200).

Almost surely, 2^1375355403 is an apocalyptic number.

1375355403 is a deficient number, since it is larger than the sum of its proper divisors (875882997).

1375355403 is a wasteful number, since it uses less digits than its factorization.

1375355403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130328 (or 130322 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 36.

The square root of 1375355403 is about 37085.7843789234. The cubic root of 1375355403 is about 1112.0858442065.

The spelling of 1375355403 in words is "one billion, three hundred seventy-five million, three hundred fifty-five thousand, four hundred three".