137270360421 has 16 divisors (see below), whose sum is σ = 205937721600. Its totient is φ = 90355172544.

The previous prime is 137270360413. The next prime is 137270360431. The reversal of 137270360421 is 124063072731.

137270360421 is a `hidden beast` number, since 1 + 3 + 7 + 27 + 0 + 3 + 604 + 21 = 666.

It is not a de Polignac number, because 137270360421 - 2³ = 137270360413 is a prime.

It is a super-2 number, since 2×137270360421² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137270360431) 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, 32175636 + ... + 32179901.

It is an arithmetic number, because the mean of its divisors is an integer number (12871107600).

Almost surely, 2^137270360421 is an apocalyptic number.

It is an amenable number.

137270360421 is a deficient number, since it is larger than the sum of its proper divisors (68667361179).

137270360421 is an equidigital number, since it uses as much as digits as its factorization.

137270360421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64355625 (or 64355619 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The spelling of 137270360421 in words is "one hundred thirty-seven billion, two hundred seventy million, three hundred sixty thousand, four hundred twenty-one".