1406235055 has 4 divisors (see below), whose sum is σ = 1687482072. Its totient is φ = 1124988040.

The previous prime is 1406235043. The next prime is 1406235071. The reversal of 1406235055 is 5505326041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5505326041 = 29 ⋅189838829.

It is not a de Polignac number, because 1406235055 - 2¹¹ = 1406233007 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent 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, 140623501 + ... + 140623510.

It is an arithmetic number, because the mean of its divisors is an integer number (421870518).

Almost surely, 2^1406235055 is an apocalyptic number.

1406235055 is a deficient number, since it is larger than the sum of its proper divisors (281247017).

1406235055 is an equidigital number, since it uses as much as digits as its factorization.

1406235055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281247016.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 1406235055 is about 37499.8007328039. The cubic root of 1406235055 is about 1120.3472177604.

The spelling of 1406235055 in words is "one billion, four hundred six million, two hundred thirty-five thousand, fifty-five".