135214357 has 2 divisors, whose sum is σ = 135214358. Its totient is φ = 135214356.

The previous prime is 135214333. The next prime is 135214361. The reversal of 135214357 is 753412531.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128459556 + 6754801 = 11334^2 + 2599^2 .

It is a cyclic number.

It is not a de Polignac number, because 135214357 - 2¹⁵ = 135181589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135214307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67607178 + 67607179.

It is an arithmetic number, because the mean of its divisors is an integer number (67607179).

Almost surely, 2^135214357 is an apocalyptic number.

It is an amenable number.

135214357 is a deficient number, since it is larger than the sum of its proper divisors (1).

135214357 is an equidigital number, since it uses as much as digits as its factorization.

135214357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 31.

The square root of 135214357 is about 11628.1708363784. The cubic root of 135214357 is about 513.2641554705.

Adding to 135214357 its reverse (753412531), we get a palindrome (888626888).

The spelling of 135214357 in words is "one hundred thirty-five million, two hundred fourteen thousand, three hundred fifty-seven".