137656421041 has 8 divisors (see below), whose sum is σ = 142101216000. Its totient is φ = 133211892720.

The previous prime is 137656420999. The next prime is 137656421047. The reversal of 137656421041 is 140124656731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 137656421041 - 2⁹ = 137656420529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137656420985 and 137656421003.

It is not an unprimeable number, because it can be changed into a prime (137656421047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2002875 + ... + 2070463.

It is an arithmetic number, because the mean of its divisors is an integer number (17762652000).

Almost surely, 2^137656421041 is an apocalyptic number.

It is an amenable number.

137656421041 is a deficient number, since it is larger than the sum of its proper divisors (4444794959).

137656421041 is an equidigital number, since it uses as much as digits as its factorization.

137656421041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133319.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 137656421041 in words is "one hundred thirty-seven billion, six hundred fifty-six million, four hundred twenty-one thousand, forty-one".