134215503555 has 128 divisors (see below), whose sum is σ = 252426240000. Its totient is φ = 59635699200.

The previous prime is 134215503553. The next prime is 134215503559. The reversal of 134215503555 is 555305512431.

It is not a de Polignac number, because 134215503555 - 2¹ = 134215503553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134215503551) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 268968696 + ... + 268969194.

It is an arithmetic number, because the mean of its divisors is an integer number (1972080000).

Almost surely, 2^134215503555 is an apocalyptic number.

134215503555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

134215503555 is a deficient number, since it is larger than the sum of its proper divisors (118210736445).

134215503555 is a wasteful number, since it uses less digits than its factorization.

134215503555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025.

The product of its (nonzero) digits is 225000, while the sum is 39.

The spelling of 134215503555 in words is "one hundred thirty-four billion, two hundred fifteen million, five hundred three thousand, five hundred fifty-five".