140154102 has 24 divisors (see below), whose sum is σ = 331273800. Its totient is φ = 42470880.

The previous prime is 140154097. The next prime is 140154107. The reversal of 140154102 is 201451041.

140154102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (140154097) and next prime (140154107).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140154107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 353727 + ... + 354122.

It is an arithmetic number, because the mean of its divisors is an integer number (13803075).

Almost surely, 2^140154102 is an apocalyptic number.

140154102 is an abundant number, since it is smaller than the sum of its proper divisors (191119698).

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

140154102 is a wasteful number, since it uses less digits than its factorization.

140154102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707868 (or 707865 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 140154102 is about 11838.6697732473. The cubic root of 140154102 is about 519.4398578790.

The spelling of 140154102 in words is "one hundred forty million, one hundred fifty-four thousand, one hundred two".