135421423615 has 8 divisors (see below), whose sum is σ = 172064867760. Its totient is φ = 101964365952.

The previous prime is 135421423607. The next prime is 135421423637. The reversal of 135421423615 is 516324124531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135421423615 - 2³ = 135421423607 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 796596525 + ... + 796596694.

It is an arithmetic number, because the mean of its divisors is an integer number (21508108470).

Almost surely, 2^135421423615 is an apocalyptic number.

135421423615 is a deficient number, since it is larger than the sum of its proper divisors (36643444145).

135421423615 is a wasteful number, since it uses less digits than its factorization.

135421423615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593193241.

The product of its digits is 86400, while the sum is 37.

The spelling of 135421423615 in words is "one hundred thirty-five billion, four hundred twenty-one million, four hundred twenty-three thousand, six hundred fifteen".