147531136 has 32 divisors (see below), whose sum is σ = 301862880. Its totient is φ = 71769600.

The previous prime is 147531121. The next prime is 147531169. The reversal of 147531136 is 631135741.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 147531098 and 147531107.

It is a congruent number.

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, 10840 + ... + 20311.

It is an arithmetic number, because the mean of its divisors is an integer number (9433215).

Almost surely, 2^147531136 is an apocalyptic number.

147531136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

147531136 is an abundant number, since it is smaller than the sum of its proper divisors (154331744).

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

147531136 is an equidigital number, since it uses as much as digits as its factorization.

147531136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31202 (or 31190 counting only the distinct ones).

The product of its digits is 7560, while the sum is 31.

The square root of 147531136 is about 12146.2395826857. The cubic root of 147531136 is about 528.3980775167.

Adding to 147531136 its reverse (631135741), we get a palindrome (778666877).

The spelling of 147531136 in words is "one hundred forty-seven million, five hundred thirty-one thousand, one hundred thirty-six".