8140154 has 12 divisors (see below), whose sum is σ = 13421562. Its totient is φ = 3699960.

The previous prime is 8140147. The next prime is 8140159. The reversal of 8140154 is 4510418.

It can be written as a sum of positive squares in only one way, i.e., 7991929 + 148225 = 2827^2 + 385^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8140159) 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, 16577 + ... + 17060.

Almost surely, 2^8140154 is an apocalyptic number.

8140154 is a deficient number, since it is larger than the sum of its proper divisors (5281408).

8140154 is a wasteful number, since it uses less digits than its factorization.

8140154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33661 (or 33650 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 8140154 is about 2853.0955118958. The cubic root of 8140154 is about 201.1611950822.

The spelling of 8140154 in words is "eight million, one hundred forty thousand, one hundred fifty-four".