1421351126734 has 64 divisors (see below), whose sum is σ = 2696094720000. Its totient is φ = 545863096800.

The previous prime is 1421351126681. The next prime is 1421351126737. The reversal of 1421351126734 is 4376211531241.

It is a super-2 number, since 2×1421351126734² (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 (1421351126737) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72143617 + ... + 72163315.

It is an arithmetic number, because the mean of its divisors is an integer number (42126480000).

Almost surely, 2^{1421351126734} is an apocalyptic number.

1421351126734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1421351126734 is a deficient number, since it is larger than the sum of its proper divisors (1274743593266).

1421351126734 is a wasteful number, since it uses less digits than its factorization.

1421351126734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26389.

The product of its digits is 120960, while the sum is 40.

Adding to 1421351126734 its reverse (4376211531241), we get a palindrome (5797562657975).

The spelling of 1421351126734 in words is "one trillion, four hundred twenty-one billion, three hundred fifty-one million, one hundred twenty-six thousand, seven hundred thirty-four".