140340150 has 36 divisors (see below), whose sum is σ = 377048412. Its totient is φ = 37423920.

The previous prime is 140340119. The next prime is 140340157. The reversal of 140340150 is 51043041.

It is a happy number.

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 (140340157) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 155484 + ... + 156383.

It is an arithmetic number, because the mean of its divisors is an integer number (10473567).

Almost surely, 2^140340150 is an apocalyptic number.

140340150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140340150 is an abundant number, since it is smaller than the sum of its proper divisors (236708262).

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

140340150 is a wasteful number, since it uses less digits than its factorization.

140340150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311885 (or 311877 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 140340150 is about 11846.5248068790. The cubic root of 140340150 is about 519.6696002715.

Adding to 140340150 its reverse (51043041), we get a palindrome (191383191).

The spelling of 140340150 in words is "one hundred forty million, three hundred forty thousand, one hundred fifty".