1421455134 has 48 divisors (see below), whose sum is σ = 3137748480. Its totient is φ = 425747520.

The previous prime is 1421455127. The next prime is 1421455141. The reversal of 1421455134 is 4315541241.

It is an interprime number because it is at equal distance from previous prime (1421455127) and next prime (1421455141).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 521427 + ... + 524145.

It is an arithmetic number, because the mean of its divisors is an integer number (65369760).

Almost surely, 2^1421455134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421455134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1568874240).

1421455134 is an abundant number, since it is smaller than the sum of its proper divisors (1716293346).

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

1421455134 is a wasteful number, since it uses less digits than its factorization.

1421455134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2913 (or 2824 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 1421455134 is about 37702.1900424896. The cubic root of 1421455134 is about 1124.3746671883.

Adding to 1421455134 its reverse (4315541241), we get a palindrome (5736996375).

The spelling of 1421455134 in words is "one billion, four hundred twenty-one million, four hundred fifty-five thousand, one hundred thirty-four".