136448031 has 8 divisors (see below), whose sum is σ = 182427904. Its totient is φ = 90716760.

The previous prime is 136448017. The next prime is 136448051. The reversal of 136448031 is 130844631.

136448031 = 9² + 10² + ... + 742².

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 136448031 - 2⁵ = 136447999 is a prime.

It is a super-2 number, since 2×136448031² = 37236130327553922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136448031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136448051) 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, 60865 + ... + 63066.

It is an arithmetic number, because the mean of its divisors is an integer number (22803488).

Almost surely, 2^136448031 is an apocalyptic number.

136448031 is a deficient number, since it is larger than the sum of its proper divisors (45979873).

136448031 is a wasteful number, since it uses less digits than its factorization.

136448031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124301.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 136448031 is about 11681.0971659344. The cubic root of 136448031 is about 514.8204118221.

The spelling of 136448031 in words is "one hundred thirty-six million, four hundred forty-eight thousand, thirty-one".