1405402151142 has 32 divisors (see below), whose sum is σ = 3199650750720. Its totient is φ = 407362941920.

The previous prime is 1405402151117. The next prime is 1405402151159. The reversal of 1405402151142 is 2411512045041.

It is a super-2 number, since 2×1405402151142² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 462910917 + ... + 462913952.

It is an arithmetic number, because the mean of its divisors is an integer number (99989085960).

Almost surely, 2^{1405402151142} is an apocalyptic number.

1405402151142 is an abundant number, since it is smaller than the sum of its proper divisors (1794248599578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1405402151142 is a wasteful number, since it uses less digits than its factorization.

1405402151142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925824908.

The product of its (nonzero) digits is 6400, while the sum is 30.

Adding to 1405402151142 its reverse (2411512045041), we get a palindrome (3816914196183).

The spelling of 1405402151142 in words is "one trillion, four hundred five billion, four hundred two million, one hundred fifty-one thousand, one hundred forty-two".