140502157 has 8 divisors (see below), whose sum is σ = 141772032. Its totient is φ = 139238400.

The previous prime is 140502143. The next prime is 140502179. The reversal of 140502157 is 751205041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140502157 - 2¹¹ = 140500109 is a prime.

It is a super-2 number, since 2×140502157² = 39481712243305298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140502107) 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, 52932 + ... + 55522.

It is an arithmetic number, because the mean of its divisors is an integer number (17721504).

Almost surely, 2^140502157 is an apocalyptic number.

It is an amenable number.

140502157 is a deficient number, since it is larger than the sum of its proper divisors (1269875).

140502157 is a wasteful number, since it uses less digits than its factorization.

140502157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3059.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 140502157 is about 11853.3605783339. The cubic root of 140502157 is about 519.8694901763.

Adding to 140502157 its reverse (751205041), we get a palindrome (891707198).

The spelling of 140502157 in words is "one hundred forty million, five hundred two thousand, one hundred fifty-seven".