137212104 has 32 divisors (see below), whose sum is σ = 343340640. Its totient is φ = 45696000.

The previous prime is 137212093. The next prime is 137212109. The reversal of 137212104 is 401212731.

It is a super-2 number, since 2×137212104² = 37654322968213632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (137212109) 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, 36639 + ... + 40209.

It is an arithmetic number, because the mean of its divisors is an integer number (10729395).

Almost surely, 2^137212104 is an apocalyptic number.

It is an amenable number.

137212104 is an abundant number, since it is smaller than the sum of its proper divisors (206128536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137212104 is a wasteful number, since it uses less digits than its factorization.

137212104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5181 (or 5177 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 137212104 is about 11713.7570403351. The cubic root of 137212104 is about 515.7795765464.

Adding to 137212104 its reverse (401212731), we get a palindrome (538424835).

The spelling of 137212104 in words is "one hundred thirty-seven million, two hundred twelve thousand, one hundred four".