101156394 has 16 divisors (see below), whose sum is σ = 202827168. Its totient is φ = 33633072.

The previous prime is 101156359. The next prime is 101156401. The reversal of 101156394 is 493651101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18852 + ... + 23615.

It is an arithmetic number, because the mean of its divisors is an integer number (12676698).

Almost surely, 2^101156394 is an apocalyptic number.

101156394 is an abundant number, since it is smaller than the sum of its proper divisors (101670774).

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

101156394 is a wasteful number, since it uses less digits than its factorization.

101156394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42869.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 101156394 is about 10057.6535036757. The cubic root of 101156394 is about 465.9411992094.

The spelling of 101156394 in words is "one hundred one million, one hundred fifty-six thousand, three hundred ninety-four".