135577031 has 2 divisors, whose sum is σ = 135577032. Its totient is φ = 135577030.

The previous prime is 135576983. The next prime is 135577051. The reversal of 135577031 is 130775531.

135577031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (130775531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135577031 - 2⁶ = 135576967 is a prime.

It is a super-2 number, since 2×135577031² = 36762262669549922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135577051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67788515 + 67788516.

It is an arithmetic number, because the mean of its divisors is an integer number (67788516).

Almost surely, 2^135577031 is an apocalyptic number.

135577031 is a deficient number, since it is larger than the sum of its proper divisors (1).

135577031 is an equidigital number, since it uses as much as digits as its factorization.

135577031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11025, while the sum is 32.

The square root of 135577031 is about 11643.7550214697. The cubic root of 135577031 is about 513.7226407644.

The spelling of 135577031 in words is "one hundred thirty-five million, five hundred seventy-seven thousand, thirty-one".