149129135 has 8 divisors (see below), whose sum is σ = 179256336. Its totient is φ = 119102400.

The previous prime is 149129131. The next prime is 149129143. The reversal of 149129135 is 531921941.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 149129135 - 2² = 149129131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149129095 and 149129104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149129131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21809 + ... + 27818.

It is an arithmetic number, because the mean of its divisors is an integer number (22407042).

Almost surely, 2^149129135 is an apocalyptic number.

149129135 is a deficient number, since it is larger than the sum of its proper divisors (30127201).

149129135 is an equidigital number, since it uses as much as digits as its factorization.

149129135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50233.

The product of its digits is 9720, while the sum is 35.

The square root of 149129135 is about 12211.8440458434. The cubic root of 149129135 is about 530.2990302562.

The spelling of 149129135 in words is "one hundred forty-nine million, one hundred twenty-nine thousand, one hundred thirty-five".