136973488 has 40 divisors (see below), whose sum is σ = 281888208. Its totient is φ = 64253952.

The previous prime is 136973483. The next prime is 136973503. The reversal of 136973488 is 884379631.

It is a happy number.

It is a super-2 number, since 2×136973488² = 37523472829772288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136973483) 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, 117195 + ... + 118357.

Almost surely, 2^136973488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136973488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140944104).

136973488 is an abundant number, since it is smaller than the sum of its proper divisors (144914720).

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

136973488 is a wasteful number, since it uses less digits than its factorization.

136973488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621 (or 1615 counting only the distinct ones).

The product of its digits is 870912, while the sum is 49.

The square root of 136973488 is about 11703.5673194116. The cubic root of 136973488 is about 515.4804176346.

The spelling of 136973488 in words is "one hundred thirty-six million, nine hundred seventy-three thousand, four hundred eighty-eight".