136311019 has 8 divisors (see below), whose sum is σ = 150377472. Its totient is φ = 122756160.

The previous prime is 136311017. The next prime is 136311023. The reversal of 136311019 is 910113631.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 136311019 - 2¹ = 136311017 is a prime.

It is a super-2 number, since 2×136311019² = 37161387801636722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136310984 and 136311002.

It is not an unprimeable number, because it can be changed into a prime (136311017) 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, 127339 + ... + 128404.

It is an arithmetic number, because the mean of its divisors is an integer number (18797184).

Almost surely, 2^136311019 is an apocalyptic number.

136311019 is a deficient number, since it is larger than the sum of its proper divisors (14066453).

136311019 is a wasteful number, since it uses less digits than its factorization.

136311019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255797.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 136311019 is about 11675.2310041386. The cubic root of 136311019 is about 514.6480380221.

The spelling of 136311019 in words is "one hundred thirty-six million, three hundred eleven thousand, nineteen".