137226021960 has 64 divisors (see below), whose sum is σ = 417317518080. Its totient is φ = 36092321280.

The previous prime is 137226021949. The next prime is 137226021967. The reversal of 137226021960 is 69120622731.

It is a super-2 number, since 2×137226021960² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (137226021967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7823776 + ... + 7841295.

It is an arithmetic number, because the mean of its divisors is an integer number (6520586220).

Almost surely, 2^137226021960 is an apocalyptic number.

137226021960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137226021960 is an abundant number, since it is smaller than the sum of its proper divisors (280091496120).

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

137226021960 is a wasteful number, since it uses less digits than its factorization.

137226021960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15665158 (or 15665154 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The spelling of 137226021960 in words is "one hundred thirty-seven billion, two hundred twenty-six million, twenty-one thousand, nine hundred sixty".