134421424515 has 48 divisors (see below), whose sum is σ = 275464612800. Its totient is φ = 59330831616.

The previous prime is 134421424499. The next prime is 134421424531. The reversal of 134421424515 is 515424124431.

134421424515 is a `hidden beast` number, since 134 + 4 + 2 + 1 + 4 + 2 + 4 + 515 = 666.

It is an interprime number because it is at equal distance from previous prime (134421424499) and next prime (134421424531).

It is not a de Polignac number, because 134421424515 - 2⁴ = 134421424499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134421424515.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7348360 + ... + 7366629.

It is an arithmetic number, because the mean of its divisors is an integer number (5738846100).

Almost surely, 2^134421424515 is an apocalyptic number.

134421424515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

134421424515 is an abundant number, since it is smaller than the sum of its proper divisors (141043188285).

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

134421424515 is a wasteful number, since it uses less digits than its factorization.

134421424515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14715036 (or 14715033 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

Adding to 134421424515 its reverse (515424124431), we get a palindrome (649845548946).

The spelling of 134421424515 in words is "one hundred thirty-four billion, four hundred twenty-one million, four hundred twenty-four thousand, five hundred fifteen".