1351705451542 has 4 divisors (see below), whose sum is σ = 2027558177316. Its totient is φ = 675852725770.

The previous prime is 1351705451539. The next prime is 1351705451549. The reversal of 1351705451542 is 2451545071531.

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

It is a super-2 number, since 2×1351705451542² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351705451549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337926362884 + ... + 337926362887.

It is an arithmetic number, because the mean of its divisors is an integer number (506889544329).

Almost surely, 2^{1351705451542} is an apocalyptic number.

1351705451542 is a deficient number, since it is larger than the sum of its proper divisors (675852725774).

1351705451542 is an equidigital number, since it uses as much as digits as its factorization.

1351705451542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675852725773.

The product of its (nonzero) digits is 420000, while the sum is 43.

The spelling of 1351705451542 in words is "one trillion, three hundred fifty-one billion, seven hundred five million, four hundred fifty-one thousand, five hundred forty-two".