136377145 has 8 divisors (see below), whose sum is σ = 173279304. Its totient is φ = 102683904.

The previous prime is 136377139. The next prime is 136377149. The reversal of 136377145 is 541773631.

It can be written as a sum of positive squares in 4 ways, for example, as 74235456 + 62141689 = 8616^2 + 7883^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136377145 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136377149) 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, 802134 + ... + 802303.

It is an arithmetic number, because the mean of its divisors is an integer number (21659913).

Almost surely, 2^136377145 is an apocalyptic number.

It is an amenable number.

136377145 is a deficient number, since it is larger than the sum of its proper divisors (36902159).

136377145 is a wasteful number, since it uses less digits than its factorization.

136377145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604459.

The product of its digits is 52920, while the sum is 37.

The square root of 136377145 is about 11678.0625533519. The cubic root of 136377145 is about 514.7312450753.

The spelling of 136377145 in words is "one hundred thirty-six million, three hundred seventy-seven thousand, one hundred forty-five".