135421003315 has 8 divisors (see below), whose sum is σ = 175005604368. Its totient is φ = 100003202400.

The previous prime is 135421003241. The next prime is 135421003339. The reversal of 135421003315 is 513300124531.

It is a happy number.

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

It is not a de Polignac number, because 135421003315 - 2⁷ = 135421003187 is a prime.

It is a Duffinian 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, 1041699961 + ... + 1041700090.

It is an arithmetic number, because the mean of its divisors is an integer number (21875700546).

Almost surely, 2^135421003315 is an apocalyptic number.

135421003315 is a deficient number, since it is larger than the sum of its proper divisors (39584601053).

135421003315 is a wasteful number, since it uses less digits than its factorization.

135421003315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083400069.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 135421003315 its reverse (513300124531), we get a palindrome (648721127846).

The spelling of 135421003315 in words is "one hundred thirty-five billion, four hundred twenty-one million, three thousand, three hundred fifteen".