32140154 has 16 divisors (see below), whose sum is σ = 51259392. Its totient is φ = 15080208.

The previous prime is 32140139. The next prime is 32140159. The reversal of 32140154 is 45104123.

It is a pancake number, because a pancake can be divided into 32140154 parts by 8017 straight cuts.

It is not an unprimeable number, because it can be changed into a prime (32140159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4154 + ... + 9029.

It is an arithmetic number, because the mean of its divisors is an integer number (3203712).

Almost surely, 2^32140154 is an apocalyptic number.

32140154 is a deficient number, since it is larger than the sum of its proper divisors (19119238).

32140154 is a wasteful number, since it uses less digits than its factorization.

32140154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13261.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 32140154 is about 5669.2286953341. The cubic root of 32140154 is about 317.9430366172.

Adding to 32140154 its reverse (45104123), we get a palindrome (77244277).

The spelling of 32140154 in words is "thirty-two million, one hundred forty thousand, one hundred fifty-four".