135347139 has 8 divisors (see below), whose sum is σ = 200514320. Its totient is φ = 90231408.

The previous prime is 135347129. The next prime is 135347141. The reversal of 135347139 is 931743531.

It is a de Polignac number, because none of the positive numbers 2^k-135347139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135347119) 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, 2506402 + ... + 2506455.

It is an arithmetic number, because the mean of its divisors is an integer number (25064290).

Almost surely, 2^135347139 is an apocalyptic number.

135347139 is a deficient number, since it is larger than the sum of its proper divisors (65167181).

135347139 is an equidigital number, since it uses as much as digits as its factorization.

135347139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5012866 (or 5012860 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 135347139 is about 11633.8789318095. The cubic root of 135347139 is about 513.4321108711.

The spelling of 135347139 in words is "one hundred thirty-five million, three hundred forty-seven thousand, one hundred thirty-nine".