134625155631 has 4 divisors (see below), whose sum is σ = 179500207512. Its totient is φ = 89750103752.

The previous prime is 134625155597. The next prime is 134625155647. The reversal of 134625155631 is 136551526431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136551526431 = 3 ⋅45517175477.

It is a cyclic number.

It is not a de Polignac number, because 134625155631 - 2¹¹ = 134625153583 is a prime.

It is a super-2 number, since 2×134625155631² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134625155831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22437525936 + ... + 22437525941.

It is an arithmetic number, because the mean of its divisors is an integer number (44875051878).

Almost surely, 2^134625155631 is an apocalyptic number.

134625155631 is a deficient number, since it is larger than the sum of its proper divisors (44875051881).

134625155631 is an equidigital number, since it uses as much as digits as its factorization.

134625155631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44875051880.

The product of its digits is 324000, while the sum is 42.

The spelling of 134625155631 in words is "one hundred thirty-four billion, six hundred twenty-five million, one hundred fifty-five thousand, six hundred thirty-one".