140196690 has 32 divisors (see below), whose sum is σ = 373858560. Its totient is φ = 37385712.

The previous prime is 140196677. The next prime is 140196709. The reversal of 140196690 is 96691041.

140196690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140196690² = 39310223773912200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259354 + ... + 259893.

It is an arithmetic number, because the mean of its divisors is an integer number (11683080).

Almost surely, 2^140196690 is an apocalyptic number.

140196690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140196690 is an abundant number, since it is smaller than the sum of its proper divisors (233661870).

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

140196690 is a wasteful number, since it uses less digits than its factorization.

140196690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519263 (or 519257 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 140196690 is about 11840.4683184408. The cubic root of 140196690 is about 519.4924658394.

The spelling of 140196690 in words is "one hundred forty million, one hundred ninety-six thousand, six hundred ninety".