1355601329 has 4 divisors (see below), whose sum is σ = 1356710976. Its totient is φ = 1354491684.

The previous prime is 1355601323. The next prime is 1355601343. The reversal of 1355601329 is 9231065531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1355601329 - 2¹⁶ = 1355535793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1355601323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552989 + ... + 555434.

It is an arithmetic number, because the mean of its divisors is an integer number (339177744).

Almost surely, 2^1355601329 is an apocalyptic number.

It is an amenable number.

1355601329 is a deficient number, since it is larger than the sum of its proper divisors (1109647).

1355601329 is a wasteful number, since it uses less digits than its factorization.

1355601329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109646.

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 1355601329 is about 36818.4916719846. The cubic root of 1355601329 is about 1106.7358939110.

The spelling of 1355601329 in words is "one billion, three hundred fifty-five million, six hundred one thousand, three hundred twenty-nine".