153440136 has 32 divisors (see below), whose sum is σ = 426223200. Its totient is φ = 51146640.

The previous prime is 153440093. The next prime is 153440167. The reversal of 153440136 is 631044351.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354970 + ... + 355401.

It is an arithmetic number, because the mean of its divisors is an integer number (13319475).

Almost surely, 2^153440136 is an apocalyptic number.

It is an amenable number.

153440136 is an abundant number, since it is smaller than the sum of its proper divisors (272783064).

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

153440136 is a wasteful number, since it uses less digits than its factorization.

153440136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710386 (or 710376 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 153440136 is about 12387.0955433467. The cubic root of 153440136 is about 535.3605000342.

Adding to 153440136 its reverse (631044351), we get a palindrome (784484487).

The spelling of 153440136 in words is "one hundred fifty-three million, four hundred forty thousand, one hundred thirty-six".