1355401329 has 16 divisors (see below), whose sum is σ = 1852429824. Its totient is φ = 881014400.

The previous prime is 1355401291. The next prime is 1355401331. The reversal of 1355401329 is 9231045531.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1355401329 is a prime.

It is a super-2 number, since 2×1355401329² = 3674225525309932482, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1355401329.

It is not an unprimeable number, because it can be changed into a prime (1355401379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316567 + ... + 320819.

It is an arithmetic number, because the mean of its divisors is an integer number (115776864).

Almost surely, 2^1355401329 is an apocalyptic number.

It is an amenable number.

1355401329 is a deficient number, since it is larger than the sum of its proper divisors (497028495).

1355401329 is a wasteful number, since it uses less digits than its factorization.

1355401329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6888.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 1355401329 is about 36815.7755452741. The cubic root of 1355401329 is about 1106.6814634378.

The spelling of 1355401329 in words is "one billion, three hundred fifty-five million, four hundred one thousand, three hundred twenty-nine".