140507514 has 64 divisors (see below), whose sum is σ = 358241280. Its totient is φ = 39988080.

The previous prime is 140507513. The next prime is 140507551. The reversal of 140507514 is 415705041.

It is a happy number.

140507514 is a `hidden beast` number, since 140 + 5 + 0 + 7 + 514 = 666.

It is a super-2 number, since 2×140507514² = 39484722980920392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (140507513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124557 + ... + 125679.

It is an arithmetic number, because the mean of its divisors is an integer number (5597520).

Almost surely, 2^140507514 is an apocalyptic number.

140507514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 140507514, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179120640).

140507514 is an abundant number, since it is smaller than the sum of its proper divisors (217733766).

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

140507514 is a wasteful number, since it uses less digits than its factorization.

140507514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472 (or 1466 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 140507514 is about 11853.5865458519. The cubic root of 140507514 is about 519.8760972053.

The spelling of 140507514 in words is "one hundred forty million, five hundred seven thousand, five hundred fourteen".