137961672 has 16 divisors (see below), whose sum is σ = 344904240. Its totient is φ = 45987216.

The previous prime is 137961667. The next prime is 137961683. The reversal of 137961672 is 276169731.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2874178 + ... + 2874225.

It is an arithmetic number, because the mean of its divisors is an integer number (21556515).

Almost surely, 2^137961672 is an apocalyptic number.

137961672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

137961672 is an abundant number, since it is smaller than the sum of its proper divisors (206942568).

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

137961672 is a wasteful number, since it uses less digits than its factorization.

137961672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5748412 (or 5748408 counting only the distinct ones).

The product of its digits is 95256, while the sum is 42.

The square root of 137961672 is about 11745.7086631672. The cubic root of 137961672 is about 516.7170788595.

The spelling of 137961672 in words is "one hundred thirty-seven million, nine hundred sixty-one thousand, six hundred seventy-two".