135670031 has 16 divisors (see below), whose sum is σ = 165563904. Its totient is φ = 108640224.

The previous prime is 135670001. The next prime is 135670037. The reversal of 135670031 is 130076531.

It is a happy number.

It is not a de Polignac number, because 135670031 - 2¹⁰ = 135669007 is a prime.

It is a super-2 number, since 2×135670031² = 36812714623081922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135670037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2876 + ... + 16721.

It is an arithmetic number, because the mean of its divisors is an integer number (10347744).

Almost surely, 2^135670031 is an apocalyptic number.

135670031 is a deficient number, since it is larger than the sum of its proper divisors (29893873).

135670031 is a wasteful number, since it uses less digits than its factorization.

135670031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19670.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 135670031 is about 11647.7478939064. The cubic root of 135670031 is about 513.8400777797.

The spelling of 135670031 in words is "one hundred thirty-five million, six hundred seventy thousand, thirty-one".