1405133040351 has 4 divisors (see below), whose sum is σ = 1873510720472. Its totient is φ = 936755360232.

The previous prime is 1405133040347. The next prime is 1405133040379. The reversal of 1405133040351 is 1530403315041.

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

It is not a de Polignac number, because 1405133040351 - 2² = 1405133040347 is a prime.

It is a super-2 number, since 2×1405133040351² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1405133040341) 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, 234188840056 + ... + 234188840061.

It is an arithmetic number, because the mean of its divisors is an integer number (468377680118).

Almost surely, 2^{1405133040351} is an apocalyptic number.

1405133040351 is a deficient number, since it is larger than the sum of its proper divisors (468377680121).

1405133040351 is an equidigital number, since it uses as much as digits as its factorization.

1405133040351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468377680120.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 1405133040351 its reverse (1530403315041), we get a palindrome (2935536355392).

The spelling of 1405133040351 in words is "one trillion, four hundred five billion, one hundred thirty-three million, forty thousand, three hundred fifty-one".