1351323032454 has 128 divisors (see below), whose sum is σ = 3231560448000. Its totient is φ = 417225199104.

The previous prime is 1351323032413. The next prime is 1351323032497. The reversal of 1351323032454 is 4542303231531.

1351323032454 is a `hidden beast` number, since 1 + 3 + 5 + 1 + 323 + 0 + 324 + 5 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 48642112 + ... + 48669884.

It is an arithmetic number, because the mean of its divisors is an integer number (25246566000).

Almost surely, 2^{1351323032454} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1351323032454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1615780224000).

1351323032454 is an abundant number, since it is smaller than the sum of its proper divisors (1880237415546).

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

1351323032454 is a wasteful number, since it uses less digits than its factorization.

1351323032454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28859 (or 28853 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 1351323032454 its reverse (4542303231531), we get a palindrome (5893626263985).

The spelling of 1351323032454 in words is "one trillion, three hundred fifty-one billion, three hundred twenty-three million, thirty-two thousand, four hundred fifty-four".