135371029 has 6 divisors (see below), whose sum is σ = 142871190. Its totient is φ = 128245896.

The previous prime is 135371023. The next prime is 135371039. The reversal of 135371029 is 920173531.

It can be written as a sum of positive squares in only one way, i.e., 106048804 + 29322225 = 10298^2 + 5415^2 .

It is not a de Polignac number, because 135371029 - 2¹⁵ = 135338261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135371023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 187134 + ... + 187855.

It is an arithmetic number, because the mean of its divisors is an integer number (23811865).

Almost surely, 2^135371029 is an apocalyptic number.

135371029 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

135371029 is a deficient number, since it is larger than the sum of its proper divisors (7500161).

135371029 is an equidigital number, since it uses as much as digits as its factorization.

135371029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375027 (or 375008 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 135371029 is about 11634.9056291832. The cubic root of 135371029 is about 513.4623175717.

The spelling of 135371029 in words is "one hundred thirty-five million, three hundred seventy-one thousand, twenty-nine".