137819684 has 6 divisors (see below), whose sum is σ = 241184454. Its totient is φ = 68909840.

The previous prime is 137819683. The next prime is 137819699. The reversal of 137819684 is 486918731.

It can be written as a sum of positive squares in only one way, i.e., 98406400 + 39413284 = 9920^2 + 6278^2 .

It is not an unprimeable number, because it can be changed into a prime (137819681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17227457 + ... + 17227464.

It is an arithmetic number, because the mean of its divisors is an integer number (40197409).

Almost surely, 2^137819684 is an apocalyptic number.

It is an amenable number.

137819684 is a deficient number, since it is larger than the sum of its proper divisors (103364770).

137819684 is a wasteful number, since it uses less digits than its factorization.

137819684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34454925 (or 34454923 counting only the distinct ones).

The product of its digits is 290304, while the sum is 47.

The square root of 137819684 is about 11739.6628571693. The cubic root of 137819684 is about 516.5397522935.

The spelling of 137819684 in words is "one hundred thirty-seven million, eight hundred nineteen thousand, six hundred eighty-four".