140152690 has 8 divisors (see below), whose sum is σ = 252274860. Its totient is φ = 56061072.

The previous prime is 140152687. The next prime is 140152697. The reversal of 140152690 is 96251041.

140152690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 137100681 + 3052009 = 11709^2 + 1747^2 .

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

It is a super-2 number, since 2×140152690² = 39285553028472200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140152697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7007625 + ... + 7007644.

Almost surely, 2^140152690 is an apocalyptic number.

140152690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140152690 is a deficient number, since it is larger than the sum of its proper divisors (112122170).

140152690 is a wasteful number, since it uses less digits than its factorization.

140152690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14015276.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 140152690 is about 11838.6101380187. The cubic root of 140152690 is about 519.4381134859.

The spelling of 140152690 in words is "one hundred forty million, one hundred fifty-two thousand, six hundred ninety".