149134747529 has 4 divisors (see below), whose sum is σ = 154277325060. Its totient is φ = 143992170000.

The previous prime is 149134747523. The next prime is 149134747571. The reversal of 149134747529 is 925747431941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 925747431941 = 47659 ⋅19424399.

It can be written as a sum of positive squares in 2 ways, for example, as 119049151225 + 30085596304 = 345035^2 + 173452^2 .

It is a cyclic number.

It is not a de Polignac number, because 149134747529 - 2⁴ = 149134747513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149134747523) 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, 2571288722 + ... + 2571288779.

It is an arithmetic number, because the mean of its divisors is an integer number (38569331265).

Almost surely, 2^149134747529 is an apocalyptic number.

It is an amenable number.

149134747529 is a deficient number, since it is larger than the sum of its proper divisors (5142577531).

149134747529 is an equidigital number, since it uses as much as digits as its factorization.

149134747529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5142577530.

The product of its digits is 7620480, while the sum is 56.

The spelling of 149134747529 in words is "one hundred forty-nine billion, one hundred thirty-four million, seven hundred forty-seven thousand, five hundred twenty-nine".