140400151 has 4 divisors (see below), whose sum is σ = 141505792. Its totient is φ = 139294512.

The previous prime is 140400133. The next prime is 140400173. The reversal of 140400151 is 151004041.

140400151 = T₁₄₂₃ + T₁₄₂₄ + ... + T₁₅₄₉.

140400151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140400151 - 2¹³ = 140391959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140400121) 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, 552630 + ... + 552883.

It is an arithmetic number, because the mean of its divisors is an integer number (35376448).

Almost surely, 2^140400151 is an apocalyptic number.

140400151 is a deficient number, since it is larger than the sum of its proper divisors (1105641).

140400151 is a wasteful number, since it uses less digits than its factorization.

140400151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105640.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 140400151 is about 11849.0569666957. The cubic root of 140400151 is about 519.7436495323.

Adding to 140400151 its reverse (151004041), we get a palindrome (291404192).

The spelling of 140400151 in words is "one hundred forty million, four hundred thousand, one hundred fifty-one".