100140654 has 32 divisors (see below), whose sum is σ = 207735840. Its totient is φ = 32144000.

The previous prime is 100140653. The next prime is 100140671. The reversal of 100140654 is 456041001.

It is a self number, because there is not a number n which added to its sum of digits gives 100140654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100140653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121564 + ... + 122384.

It is an arithmetic number, because the mean of its divisors is an integer number (6491745).

Almost surely, 2^100140654 is an apocalyptic number.

100140654 is an abundant number, since it is smaller than the sum of its proper divisors (107595186).

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

100140654 is a wasteful number, since it uses less digits than its factorization.

100140654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 100140654 is about 10007.0302287942. The cubic root of 100140654 is about 464.3764007561.

Adding to 100140654 its reverse (456041001), we get a palindrome (556181655).

The spelling of 100140654 in words is "one hundred million, one hundred forty thousand, six hundred fifty-four".