1400070261 has 8 divisors (see below), whose sum is σ = 1867590720. Its totient is φ = 932964992.

The previous prime is 1400070251. The next prime is 1400070289. The reversal of 1400070261 is 1620700041.

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 1400070261 - 2⁶ = 1400070197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400070251) 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, 95841 + ... + 109478.

It is an arithmetic number, because the mean of its divisors is an integer number (233448840).

Almost surely, 2^1400070261 is an apocalyptic number.

It is an amenable number.

1400070261 is a deficient number, since it is larger than the sum of its proper divisors (467520459).

1400070261 is a wasteful number, since it uses less digits than its factorization.

1400070261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207595.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 1400070261 is about 37417.5127580656. The cubic root of 1400070261 is about 1118.7076561026.

The spelling of 1400070261 in words is "one billion, four hundred million, seventy thousand, two hundred sixty-one".