1405136465 has 16 divisors (see below), whose sum is σ = 1708560000. Its totient is φ = 1109212032.

The previous prime is 1405136437. The next prime is 1405136483. The reversal of 1405136465 is 5646315041.

It is a cyclic number.

It is not a de Polignac number, because 1405136465 - 2¹² = 1405132369 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 467036 + ... + 470034.

It is an arithmetic number, because the mean of its divisors is an integer number (106785000).

Almost surely, 2^1405136465 is an apocalyptic number.

It is an amenable number.

1405136465 is a deficient number, since it is larger than the sum of its proper divisors (303423535).

1405136465 is a wasteful number, since it uses less digits than its factorization.

1405136465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4216.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 1405136465 is about 37485.1499263375. The cubic root of 1405136465 is about 1120.0553929342.

The spelling of 1405136465 in words is "one billion, four hundred five million, one hundred thirty-six thousand, four hundred sixty-five".