137483777 has 4 divisors (see below), whose sum is σ = 145571076. Its totient is φ = 129396480.

The previous prime is 137483741. The next prime is 137483803. The reversal of 137483777 is 777384731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40972801 + 96510976 = 6401^2 + 9824^2 .

It is a cyclic number.

It is not a de Polignac number, because 137483777 - 2⁶ = 137483713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137483707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4043624 + ... + 4043657.

It is an arithmetic number, because the mean of its divisors is an integer number (36392769).

Almost surely, 2^137483777 is an apocalyptic number.

137483777 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

137483777 is a deficient number, since it is larger than the sum of its proper divisors (8087299).

137483777 is an equidigital number, since it uses as much as digits as its factorization.

137483777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8087298.

The product of its digits is 691488, while the sum is 47.

The square root of 137483777 is about 11725.3476281089. The cubic root of 137483777 is about 516.1197579234.

The spelling of 137483777 in words is "one hundred thirty-seven million, four hundred eighty-three thousand, seven hundred seventy-seven".