137544692652 has 108 divisors (see below), whose sum is σ = 360710966280. Its totient is φ = 45325344960.

The previous prime is 137544692629. The next prime is 137544692689. The reversal of 137544692652 is 256296445731.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

137544692652 is a `hidden beast` number, since 1 + 3 + 7 + 544 + 6 + 92 + 6 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (108).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 489482752 + ... + 489483032.

Almost surely, 2^137544692652 is an apocalyptic number.

137544692652 is a gapful number since it is divisible by the number (12) 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 137544692652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180355483140).

137544692652 is an abundant number, since it is smaller than the sum of its proper divisors (223166273628).

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

137544692652 is an equidigital number, since it uses as much as digits as its factorization.

137544692652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829 (or 413 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 54.

The spelling of 137544692652 in words is "one hundred thirty-seven billion, five hundred forty-four million, six hundred ninety-two thousand, six hundred fifty-two".