135521415003 has 32 divisors (see below), whose sum is σ = 195122898432. Its totient is φ = 83171808000.

The previous prime is 135521414923. The next prime is 135521415023. The reversal of 135521415003 is 300514125531.

It is not a de Polignac number, because 135521415003 - 2⁹ = 135521414491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135521415023) 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, 27819658 + ... + 27824528.

It is an arithmetic number, because the mean of its divisors is an integer number (6097590576).

Almost surely, 2^135521415003 is an apocalyptic number.

135521415003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

135521415003 is a deficient number, since it is larger than the sum of its proper divisors (59601483429).

135521415003 is a wasteful number, since it uses less digits than its factorization.

135521415003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6675.

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 135521415003 in words is "one hundred thirty-five billion, five hundred twenty-one million, four hundred fifteen thousand, three".