1354021231040 has 56 divisors (see below), whose sum is σ = 3224409687312. Its totient is φ = 541583861760.

The previous prime is 1354021231039. The next prime is 1354021231049. The reversal of 1354021231040 is 401321204531.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1354021231049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8019167 + ... + 8186273.

Almost surely, 2^{1354021231040} is an apocalyptic number.

1354021231040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1354021231040 is an abundant number, since it is smaller than the sum of its proper divisors (1870388456272).

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

1354021231040 is a wasteful number, since it uses less digits than its factorization.

1354021231040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192445 (or 192435 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 1354021231040 its reverse (401321204531), we get a palindrome (1755342435571).

The spelling of 1354021231040 in words is "one trillion, three hundred fifty-four billion, twenty-one million, two hundred thirty-one thousand, forty".