155336272140 has 48 divisors (see below), whose sum is σ = 497076072192. Its totient is φ = 35505433536.

The previous prime is 155336272139. The next prime is 155336272151. The reversal of 155336272140 is 41272633551.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184923714 + ... + 184924553.

It is an arithmetic number, because the mean of its divisors is an integer number (10355751504).

Almost surely, 2^155336272140 is an apocalyptic number.

155336272140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155336272140 is an abundant number, since it is smaller than the sum of its proper divisors (341739800052).

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

155336272140 is a wasteful number, since it uses less digits than its factorization.

155336272140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369848286 (or 369848284 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 155336272140 in words is "one hundred fifty-five billion, three hundred thirty-six million, two hundred seventy-two thousand, one hundred forty".