1405653355 has 4 divisors (see below), whose sum is σ = 1686784032. Its totient is φ = 1124522680.

The previous prime is 1405653343. The next prime is 1405653373. The reversal of 1405653355 is 5533565041.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1405653355 - 2⁵ = 1405653323 is a prime.

It is a super-2 number, since 2×1405653355² = 3951722708845512050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140565331 + ... + 140565340.

It is an arithmetic number, because the mean of its divisors is an integer number (421696008).

Almost surely, 2^1405653355 is an apocalyptic number.

1405653355 is a deficient number, since it is larger than the sum of its proper divisors (281130677).

1405653355 is an equidigital number, since it uses as much as digits as its factorization.

1405653355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281130676.

The product of its (nonzero) digits is 135000, while the sum is 37.

The square root of 1405653355 is about 37492.0438893374. The cubic root of 1405653355 is about 1120.1927163594.

The spelling of 1405653355 in words is "one billion, four hundred five million, six hundred fifty-three thousand, three hundred fifty-five".