1402690312 has 8 divisors (see below), whose sum is σ = 2630044350. Its totient is φ = 701345152.

The previous prime is 1402690279. The next prime is 1402690337. The reversal of 1402690312 is 2130962041.

It can be written as a sum of positive squares in only one way, i.e., 1240025796 + 162664516 = 35214^2 + 12754^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1402690312² = 3935080222757314688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87668137 + ... + 87668152.

Almost surely, 2^1402690312 is an apocalyptic number.

It is an amenable number.

1402690312 is a deficient number, since it is larger than the sum of its proper divisors (1227354038).

1402690312 is a wasteful number, since it uses less digits than its factorization.

1402690312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175336295 (or 175336291 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1402690312 is about 37452.5074193972. The cubic root of 1402690312 is about 1119.4050603018.

The spelling of 1402690312 in words is "one billion, four hundred two million, six hundred ninety thousand, three hundred twelve".