494156131 has 6 divisors (see below), whose sum is σ = 574834740. Its totient is φ = 423562356.

The previous prime is 494156101. The next prime is 494156137. The reversal of 494156131 is 131651494.

It is not a de Polignac number, because 494156131 - 2⁵ = 494156099 is a prime.

It is a super-2 number, since 2×494156131² = 488380563609778322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494156137) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5042361 + ... + 5042458.

It is an arithmetic number, because the mean of its divisors is an integer number (95805790).

Almost surely, 2^494156131 is an apocalyptic number.

494156131 is a deficient number, since it is larger than the sum of its proper divisors (80678609).

494156131 is a wasteful number, since it uses less digits than its factorization.

494156131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10084833 (or 10084826 counting only the distinct ones).

The product of its digits is 12960, while the sum is 34.

The square root of 494156131 is about 22229.6228263099. The cubic root of 494156131 is about 790.5962123197.

The spelling of 494156131 in words is "four hundred ninety-four million, one hundred fifty-six thousand, one hundred thirty-one".