137200406377 has 4 divisors (see below), whose sum is σ = 137222298180. Its totient is φ = 137178514576.

The previous prime is 137200406359. The next prime is 137200406381. The reversal of 137200406377 is 773604002731.

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 106190605161 + 31009801216 = 325869^2 + 176096^2 .

It is a cyclic number.

It is not a de Polignac number, because 137200406377 - 2¹¹ = 137200404329 is a prime.

It is a super-2 number, since 2×137200406377² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137200416377) 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, 10936498 + ... + 10949035.

It is an arithmetic number, because the mean of its divisors is an integer number (34305574545).

Almost surely, 2^137200406377 is an apocalyptic number.

It is an amenable number.

137200406377 is a deficient number, since it is larger than the sum of its proper divisors (21891803).

137200406377 is an equidigital number, since it uses as much as digits as its factorization.

137200406377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21891802.

The product of its (nonzero) digits is 148176, while the sum is 40.

The spelling of 137200406377 in words is "one hundred thirty-seven billion, two hundred million, four hundred six thousand, three hundred seventy-seven".