137199606540 has 96 divisors (see below), whose sum is σ = 391099968000. Its totient is φ = 35926874112.

The previous prime is 137199606527. The next prime is 137199606553. The reversal of 137199606540 is 45606991731.

It is an interprime number because it is at equal distance from previous prime (137199606527) and next prime (137199606553).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3267801 + ... + 3309519.

It is an arithmetic number, because the mean of its divisors is an integer number (4073958000).

Almost surely, 2^137199606540 is an apocalyptic number.

137199606540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137199606540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195549984000).

137199606540 is an abundant number, since it is smaller than the sum of its proper divisors (253900361460).

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

137199606540 is a wasteful number, since it uses less digits than its factorization.

137199606540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42719 (or 42717 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 51.

The spelling of 137199606540 in words is "one hundred thirty-seven billion, one hundred ninety-nine million, six hundred six thousand, five hundred forty".