136377493 has 8 divisors (see below), whose sum is σ = 156149312. Its totient is φ = 116678016.

The previous prime is 136377473. The next prime is 136377499. The reversal of 136377493 is 394773631.

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

It is not a de Polignac number, because 136377493 - 2¹³ = 136369301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136377499) 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 7 ways as a sum of consecutive naturals, for example, 13980 + ... + 21637.

It is an arithmetic number, because the mean of its divisors is an integer number (19518664).

Almost surely, 2^136377493 is an apocalyptic number.

It is an amenable number.

136377493 is a deficient number, since it is larger than the sum of its proper divisors (19771819).

136377493 is an equidigital number, since it uses as much as digits as its factorization.

136377493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36171.

The product of its digits is 285768, while the sum is 43.

The square root of 136377493 is about 11678.0774530742. The cubic root of 136377493 is about 514.7316828963.

The spelling of 136377493 in words is "one hundred thirty-six million, three hundred seventy-seven thousand, four hundred ninety-three".