1425212543140 has 24 divisors (see below), whose sum is σ = 3065945033592. Its totient is φ = 556180504320.

The previous prime is 1425212543119. The next prime is 1425212543203. The reversal of 1425212543140 is 413452125241.

It can be written as a sum of positive squares in 4 ways, for example, as 181113229476 + 1244099313664 = 425574^2 + 1115392^2 .

It is a super-3 number, since 3×1425212543140³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1425212543096 and 1425212543105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 869031219 + ... + 869032858.

It is an arithmetic number, because the mean of its divisors is an integer number (127747709733).

Almost surely, 2^{1425212543140} is an apocalyptic number.

1425212543140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1425212543140 is an abundant number, since it is smaller than the sum of its proper divisors (1640732490452).

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

1425212543140 is a wasteful number, since it uses less digits than its factorization.

1425212543140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738064127 (or 1738064125 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 1425212543140 its reverse (413452125241), we get a palindrome (1838664668381).

The spelling of 1425212543140 in words is "one trillion, four hundred twenty-five billion, two hundred twelve million, five hundred forty-three thousand, one hundred forty".