140390602 has 16 divisors (see below), whose sum is σ = 230130432. Its totient is φ = 63702720.

The previous prime is 140390567. The next prime is 140390603. The reversal of 140390602 is 206093041.

It is a super-2 number, since 2×140390602² = 39419042259844808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140390603) 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, 8098 + ... + 18610.

It is an arithmetic number, because the mean of its divisors is an integer number (14383152).

Almost surely, 2^140390602 is an apocalyptic number.

140390602 is a deficient number, since it is larger than the sum of its proper divisors (89739830).

140390602 is a wasteful number, since it uses less digits than its factorization.

140390602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11133.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 140390602 is about 11848.6540163852. The cubic root of 140390602 is about 519.7318662006.

The spelling of 140390602 in words is "one hundred forty million, three hundred ninety thousand, six hundred two".