131634073520 has 20 divisors (see below), whose sum is σ = 306049221120. Its totient is φ = 52653629376.

The previous prime is 131634073513. The next prime is 131634073561. The reversal of 131634073520 is 25370436131.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×131634073520² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822712880 + ... + 822713039.

It is an arithmetic number, because the mean of its divisors is an integer number (15302461056).

Almost surely, 2^131634073520 is an apocalyptic number.

131634073520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131634073520 is an abundant number, since it is smaller than the sum of its proper divisors (174415147600).

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

131634073520 is a wasteful number, since it uses less digits than its factorization.

131634073520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645425932 (or 1645425926 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 35.

The spelling of 131634073520 in words is "one hundred thirty-one billion, six hundred thirty-four million, seventy-three thousand, five hundred twenty".