1400680071 has 12 divisors (see below), whose sum is σ = 2312233872. Its totient is φ = 800388576.

The previous prime is 1400679989. The next prime is 1400680081. The reversal of 1400680071 is 1700860041.

It is a happy number.

It is not a de Polignac number, because 1400680071 - 2²² = 1396485767 is a prime.

It is a super-2 number, since 2×1400680071² = 3923809322593130082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400680081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11116446 + ... + 11116571.

It is an arithmetic number, because the mean of its divisors is an integer number (192686156).

Almost surely, 2^1400680071 is an apocalyptic number.

1400680071 is a deficient number, since it is larger than the sum of its proper divisors (911553801).

1400680071 is a wasteful number, since it uses less digits than its factorization.

1400680071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22233030 (or 22233027 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 1400680071 is about 37425.6605953723. The cubic root of 1400680071 is about 1118.8700527368.

The spelling of 1400680071 in words is "one billion, four hundred million, six hundred eighty thousand, seventy-one".