1355671317 has 32 divisors (see below), whose sum is σ = 2426941440. Its totient is φ = 650070720.

The previous prime is 1355671301. The next prime is 1355671327. The reversal of 1355671317 is 7131765531.

It is not a de Polignac number, because 1355671317 - 2⁴ = 1355671301 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355671327) 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, 222717 + ... + 228722.

It is an arithmetic number, because the mean of its divisors is an integer number (75841920).

Almost surely, 2^1355671317 is an apocalyptic number.

It is an amenable number.

1355671317 is a deficient number, since it is larger than the sum of its proper divisors (1071270123).

1355671317 is a wasteful number, since it uses less digits than its factorization.

1355671317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451473.

The product of its digits is 66150, while the sum is 39.

The square root of 1355671317 is about 36819.4421060396. The cubic root of 1355671317 is about 1106.7549400462.

The spelling of 1355671317 in words is "one billion, three hundred fifty-five million, six hundred seventy-one thousand, three hundred seventeen".