136144930 has 8 divisors (see below), whose sum is σ = 245060892. Its totient is φ = 54457968.

The previous prime is 136144903. The next prime is 136144951. The reversal of 136144930 is 39441631.

It can be written as a sum of positive squares in 2 ways, for example, as 112593321 + 23551609 = 10611^2 + 4853^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 136144892 and 136144901.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6807237 + ... + 6807256.

Almost surely, 2^136144930 is an apocalyptic number.

136144930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136144930 is a deficient number, since it is larger than the sum of its proper divisors (108915962).

136144930 is a wasteful number, since it uses less digits than its factorization.

136144930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13614500.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 136144930 is about 11668.1159576000. The cubic root of 136144930 is about 514.4389277121.

The spelling of 136144930 in words is "one hundred thirty-six million, one hundred forty-four thousand, nine hundred thirty".