137211960 has 32 divisors (see below), whose sum is σ = 411636240. Its totient is φ = 36589824.

The previous prime is 137211929. The next prime is 137211961. The reversal of 137211960 is 69112731.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137211961) 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, 571597 + ... + 571836.

Almost surely, 2^137211960 is an apocalyptic number.

137211960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137211960 is an abundant number, since it is smaller than the sum of its proper divisors (274424280).

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

137211960 is a wasteful number, since it uses less digits than its factorization.

137211960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143447 (or 1143443 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 137211960 is about 11713.7508937146. The cubic root of 137211960 is about 515.7793961146.

The spelling of 137211960 in words is "one hundred thirty-seven million, two hundred eleven thousand, nine hundred sixty".