134155320215 has 16 divisors (see below), whose sum is σ = 183991222272. Its totient is φ = 91988828064.

The previous prime is 134155320203. The next prime is 134155320227. The reversal of 134155320215 is 512023551431.

It is an interprime number because it is at equal distance from previous prime (134155320203) and next prime (134155320227).

It is a de Polignac number, because none of the positive numbers 2^k-134155320215 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1228892 + ... + 1333598.

It is an arithmetic number, because the mean of its divisors is an integer number (11499451392).

Almost surely, 2^134155320215 is an apocalyptic number.

134155320215 is a deficient number, since it is larger than the sum of its proper divisors (49835902057).

134155320215 is a wasteful number, since it uses less digits than its factorization.

134155320215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141326.

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 134155320215 its reverse (512023551431), we get a palindrome (646178871646).

The spelling of 134155320215 in words is "one hundred thirty-four billion, one hundred fifty-five million, three hundred twenty thousand, two hundred fifteen".